PEP 8 cleanup. (#20789)

* PEP 8 E703 cleanup.
* PEP 8 E701 cleanup.
* PEP 8 E711 cleanup.
* PEP 8 W191 and E101 cleanup.

lib/ansible/modules/cloud/amazon/_ec2_vpc.py

@@ -189,7 +189,7 @@ def find_vpc(module, vpc_conn, vpc_id=None, cidr=None):
         A VPC object that matches either an ID or CIDR and one or more tag values
     """
 
-    if vpc_id == None and cidr == None:
+    if vpc_id is None and cidr is None:
         module.fail_json(
             msg='You must specify either a vpc_id or a cidr block + list of unique tags, aborting'
         )
@@ -565,7 +565,7 @@ def create_vpc(module, vpc_conn):
                     old_rt = vpc_conn.get_all_route_tables(
                         filters={'association.subnet_id': rsn.id, 'vpc_id': vpc.id}
                     )
-                    old_rt = [ x for x in old_rt if x.id != None ]
+                    old_rt = [ x for x in old_rt if x.id is not None ]
                     if len(old_rt) == 1:
                         old_rt = old_rt[0]
                         association_id = None

lib/ansible/modules/cloud/amazon/cloudfront_facts.py

@@ -410,7 +410,7 @@ def main():
 
     list_origin_access_identities = module.params.get('list_origin_access_identities')
     list_distributions = module.params.get('list_distributions')
-    list_distributions_by_web_acl_id = module.params.get('list_distributions_by_web_acl_id');
+    list_distributions_by_web_acl_id = module.params.get('list_distributions_by_web_acl_id')
     list_invalidations = module.params.get('list_invalidations')
     list_streaming_distributions = module.params.get('list_streaming_distributions')
 

lib/ansible/modules/cloud/amazon/ec2.py

@@ -1040,7 +1040,7 @@ def create_instances(module, ec2, vpc, override_count=None):
     running_instances = []
     count_remaining = int(count)
 
-    if id != None:
+    if id is not None:
         filter_dict = {'client-token':id, 'instance-state-name' : 'running'}
         previous_reservations = ec2.get_all_instances(None, filter_dict)
         for res in previous_reservations:

lib/ansible/modules/cloud/amazon/ec2_ami.py

@@ -506,7 +506,7 @@ def deregister_image(module, ec2):
     wait_timeout = int(module.params.get('wait_timeout'))
 
     img = ec2.get_image(image_id)
-    if img == None:
+    if img is None:
         module.fail_json(msg = "Image %s does not exist" % image_id, changed=False)
 
     # Get all associated snapshot ids before deregistering image otherwise this information becomes unavailable
@@ -562,7 +562,7 @@ def update_image(module, ec2, image_id):
         launch_permissions['user_ids'] = [str(user_id) for user_id in launch_permissions['user_ids']]
 
     img = ec2.get_image(image_id)
-    if img == None:
+    if img is None:
         module.fail_json(msg = "Image %s does not exist" % image_id, changed=False)
 
     try:

lib/ansible/modules/cloud/amazon/ec2_asg_facts.py

@@ -210,7 +210,8 @@ def match_asg_tags(tags_to_match, asg):
         for tag in asg['Tags']:
             if key == tag['Key'] and value == tag['Value']:
                 break
-        else: return False
+        else:
+            return False
     return True
 
 def find_asgs(conn, module, name=None, tags=None):

lib/ansible/modules/cloud/amazon/ec2_elb_lb.py

@@ -886,7 +886,7 @@ class ElbManager(object):
                 self._disable_zones(zones_to_disable)
 
     def _set_security_groups(self):
-        if self.security_group_ids != None and set(self.elb.security_groups) != set(self.security_group_ids):
+        if self.security_group_ids is not None and set(self.elb.security_groups) != set(self.security_group_ids):
             self.elb_conn.apply_security_groups_to_lb(self.name, self.security_group_ids)
             self.changed = True
 

lib/ansible/modules/cloud/amazon/ec2_vpc_dhcp_options.py

@@ -298,16 +298,16 @@ def main():
     # First check if we were given a dhcp_options_id
     if not params['dhcp_options_id']:
     # No, so create new_options from the parameters
-        if params['dns_servers'] != None:
+        if params['dns_servers'] is not None:
             new_options['domain-name-servers'] = params['dns_servers']
-        if params['netbios_name_servers'] != None:
+        if params['netbios_name_servers'] is not None:
             new_options['netbios-name-servers'] = params['netbios_name_servers']
-        if params['ntp_servers'] != None:
+        if params['ntp_servers'] is not None:
             new_options['ntp-servers'] = params['ntp_servers']
-        if params['domain_name'] != None:
+        if params['domain_name'] is not None:
             # needs to be a list for comparison with boto objects later
             new_options['domain-name'] = [ params['domain_name'] ]
-        if params['netbios_node_type'] != None:
+        if params['netbios_node_type'] is not None:
             # needs to be a list for comparison with boto objects later
             new_options['netbios-node-type'] = [ str(params['netbios_node_type']) ]
         # If we were given a vpc_id then we need to look at the options on that

lib/ansible/modules/cloud/amazon/ec2_vpc_vgw.py

@@ -312,14 +312,14 @@ def check_tags(client, module, existing_vgw, vpn_gateway_id):
             tags_list[tags['Key']] = tags['Value']
 
     # if existing tags don't match the tags arg, delete existing and recreate with new list
-    if params['Tags'] != None and tags_list != params['Tags']:
+    if params['Tags'] is not None and tags_list != params['Tags']:
         delete_tags(client, module, vpn_gateway_id)
         create_tags(client, module, vpn_gateway_id)
         vgw = find_vgw(client, module)
         changed = True
 
     #if no tag args are supplied, delete any existing tags with the exception of the name tag
-    if params['Tags'] == None and tags_list != {}:
+    if params['Tags'] is None and tags_list != {}:
         tags_to_delete = []
         for tags in existing_vgw[0]['Tags']:
             if tags['Key'] != 'Name':

lib/ansible/modules/cloud/amazon/ec2_win_password.py

@@ -163,7 +163,7 @@ def main():
     except ValueError as e:
         decrypted = None
 
-    if decrypted == None:
+    if decrypted is None:
         module.exit_json(win_password='', changed=False)
     else:
         if wait:

lib/ansible/modules/cloud/amazon/iam_policy.py

@@ -304,14 +304,14 @@ def main():
   policy_name = module.params.get('policy_name')
   skip = module.params.get('skip_duplicates')
 
-  if module.params.get('policy_document') != None and module.params.get('policy_json') != None:
+  if module.params.get('policy_document') is not None and module.params.get('policy_json') is not None:
       module.fail_json(msg='Only one of "policy_document" or "policy_json" may be set')
 
-  if module.params.get('policy_document') != None:
+  if module.params.get('policy_document') is not None:
     with open(module.params.get('policy_document'), 'r') as json_data:
           pdoc = json.dumps(json.load(json_data))
           json_data.close()
-  elif module.params.get('policy_json') != None:
+  elif module.params.get('policy_json') is not None:
       pdoc = module.params.get('policy_json')
       # if its a string, assume it is already JSON
       if not isinstance(pdoc, basestring):

lib/ansible/modules/cloud/amazon/route53.py

@@ -325,7 +325,7 @@ def get_zone_by_name(conn, module, zone_name, want_private, zone_id, want_vpc_id
         # only save this zone id if the private status of the zone matches
         # the private_zone_in boolean specified in the params
         private_zone = module.boolean(zone.config.get('PrivateZone', False))
-        if private_zone == want_private and ((zone.name == zone_name and zone_id == None) or zone.id.replace('/hostedzone/', '') == zone_id):
+        if private_zone == want_private and ((zone.name == zone_name and zone_id is None) or zone.id.replace('/hostedzone/', '') == zone_id):
             if want_vpc_id:
                 # NOTE: These details aren't available in other boto methods, hence the necessary
                 # extra API call
@@ -464,13 +464,13 @@ def main():
                 module.fail_json(msg = "parameter 'value' must contain a single dns name for alias create/delete")
             elif not alias_hosted_zone_id_in:
                 module.fail_json(msg = "parameter 'alias_hosted_zone_id' required for alias create/delete")
-        elif ( weight_in!=None or region_in!=None or failover_in!=None ) and identifier_in==None:
+        elif ( weight_in is not None or region_in is not None or failover_in is not None ) and identifier_in is None:
             module.fail_json(msg= "If you specify failover, region or weight you must also specify identifier")
 
     if command_in == 'create':
-        if ( weight_in!=None or region_in!=None or failover_in!=None ) and identifier_in==None:
+        if ( weight_in is not None or region_in is not None or failover_in is not None ) and identifier_in is None:
           module.fail_json(msg= "If you specify failover, region or weight you must also specify identifier")
-        elif ( weight_in==None and region_in==None and failover_in==None ) and identifier_in!=None:
+        elif ( weight_in is None and region_in is None and failover_in is None ) and identifier_in is not None:
           module.fail_json(msg= "You have specified identifier which makes sense only if you specify one of: weight, region or failover.")
 
 

lib/ansible/modules/cloud/amazon/s3.py

@@ -643,7 +643,7 @@ def main():
     # Delete an object from a bucket, not the entire bucket
     if mode == 'delobj':
         if obj is None:
-            module.fail_json(msg="object parameter is required", failed=True);
+            module.fail_json(msg="object parameter is required", failed=True)
         if bucket:
             bucketrtn = bucket_check(module, s3, bucket)
             if bucketrtn is True:

lib/ansible/modules/cloud/azure/azure.py

@@ -276,7 +276,8 @@ from types import MethodType
 import json
 
 def _wait_for_completion(azure, promise, wait_timeout, msg):
-    if not promise: return
+    if not promise:
+        return
     wait_timeout = time.time() + wait_timeout
     while wait_timeout > time.time():
         operation_result = azure.get_operation_status(promise.request_id)

lib/ansible/modules/cloud/docker/_docker.py

@@ -1553,12 +1553,12 @@ class DockerManager(object):
 
                 image_matches = running_image in repo_tags
 
-                if command == None:
+                if command is None:
                     command_matches = True
                 else:
                     command_matches = (command == details['Config']['Cmd'])
 
-                if entrypoint == None:
+                if entrypoint is None:
                     entrypoint_matches = True
                 else:
                     entrypoint_matches = (

lib/ansible/modules/cloud/google/gcpubsub.py

@@ -176,7 +176,7 @@ try:
    from ast import literal_eval
    HAS_PYTHON26 = True
 except ImportError:
-   HAS_PYTHON26 = False;
+   HAS_PYTHON26 = False
 
 try:
     from google.cloud import pubsub

lib/ansible/modules/cloud/google/gcpubsub_facts.py

@@ -88,7 +88,7 @@ try:
    from ast import literal_eval
    HAS_PYTHON26 = True
 except ImportError:
-   HAS_PYTHON26 = False;
+   HAS_PYTHON26 = False
 
 try:
     from google.cloud import pubsub

lib/ansible/modules/cloud/misc/ovirt.py

@@ -382,7 +382,7 @@ def vm_status(conn, vmname):
 # Get VM object and return it's name if object exists
 def get_vm(conn, vmname):
     vm = conn.vms.get(name=vmname)
-    if vm == None:
+    if vm is None:
         name = "empty"
     else:
         name = vm.get_name()

lib/ansible/modules/cloud/openstack/os_project.py

@@ -139,7 +139,7 @@ def _system_state_change(module, project):
         else:
             changed=True
 
-    return changed;
+    return changed
 
 def main():
 

lib/ansible/modules/cloud/profitbricks/profitbricks.py

@@ -223,7 +223,8 @@ uuid_match = re.compile(
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):
-    if not promise: return
+    if not promise:
+        return
     wait_timeout = time.time() + wait_timeout
     while wait_timeout > time.time():
         time.sleep(5)

lib/ansible/modules/cloud/profitbricks/profitbricks_datacenter.py

@@ -105,7 +105,8 @@ uuid_match = re.compile(
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):
-    if not promise: return
+    if not promise:
+        return
     wait_timeout = time.time() + wait_timeout
     while wait_timeout > time.time():
         time.sleep(5)

lib/ansible/modules/cloud/profitbricks/profitbricks_nic.py

@@ -107,7 +107,8 @@ uuid_match = re.compile(
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):
-    if not promise: return
+    if not promise:
+        return
     wait_timeout = time.time() + wait_timeout
     while wait_timeout > time.time():
         time.sleep(5)

lib/ansible/modules/cloud/profitbricks/profitbricks_volume.py

@@ -157,7 +157,8 @@ uuid_match = re.compile(
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):
-    if not promise: return
+    if not promise:
+        return
     wait_timeout = time.time() + wait_timeout
     while wait_timeout > time.time():
         time.sleep(5)

lib/ansible/modules/cloud/profitbricks/profitbricks_volume_attachments.py

@@ -105,7 +105,8 @@ uuid_match = re.compile(
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):
-    if not promise: return
+    if not promise:
+        return
     wait_timeout = time.time() + wait_timeout
     while wait_timeout > time.time():
         time.sleep(5)

lib/ansible/modules/cloud/softlayer/sl_vm.py

@@ -270,9 +270,9 @@ def create_virtual_instance(module):
 
 
   # Check if OS or Image Template is provided (Can't be both, defaults to OS)
-  if (module.params.get('os_code') != None and module.params.get('os_code') != ''):
+  if (module.params.get('os_code') is not None and module.params.get('os_code') != ''):
     module.params['image_id'] = ''
-  elif (module.params.get('image_id') != None and module.params.get('image_id') != ''):
+  elif (module.params.get('image_id') is not None and module.params.get('image_id') != ''):
     module.params['os_code'] = ''
     module.params['disks'] = [] # Blank out disks since it will use the template
   else:
@@ -302,7 +302,7 @@ def create_virtual_instance(module):
     post_uri = module.params.get('post_uri'),
     tags = tags)
 
-  if instance != None and instance['id'] > 0:
+  if instance is not None and instance['id'] > 0:
     return True, instance
   else:
     return False, None
@@ -325,7 +325,7 @@ def wait_for_instance(module,id):
 
 def cancel_instance(module):
   canceled = True
-  if module.params.get('instance_id') == None and (module.params.get('tags') or module.params.get('hostname') or module.params.get('domain')):
+  if module.params.get('instance_id') is None and (module.params.get('tags') or module.params.get('hostname') or module.params.get('domain')):
     tags = module.params.get('tags')
     if isinstance(tags, basestring):
       tags = [module.params.get('tags')]

lib/ansible/modules/cloud/vmware/vsphere_guest.py

@@ -1190,7 +1190,8 @@ def _find_path_in_tree(tree, path):
 
 def _get_folderid_for_path(vsphere_client, datacenter, path):
     content = vsphere_client._retrieve_properties_traversal(property_names=['name', 'parent'], obj_type=MORTypes.Folder)
-    if not content: return {}
+    if not content:
+        return {}
 
     node_list = [
         {

lib/ansible/modules/clustering/consul_kv.py

@@ -234,7 +234,7 @@ def remove_value(module):
     index, existing = consul_api.kv.get(
         key, recurse=module.params.get('recurse'))
 
-    changed = existing != None
+    changed = existing is not None
     if changed and not module.check_mode:
         consul_api.kv.delete(key, module.params.get('recurse'))
 

lib/ansible/modules/database/mysql/mysql_user.py

@@ -238,7 +238,7 @@ class InvalidPrivsError(Exception):
 # User Authentication Management was change in MySQL 5.7
 # This is a generic check for if the server version is less than version 5.7
 def server_version_check(cursor):
-    cursor.execute("SELECT VERSION()");
+    cursor.execute("SELECT VERSION()")
     result = cursor.fetchone()
     version_str = result[0]
     version = version_str.split('.')

lib/ansible/modules/files/acl.py

@@ -329,7 +329,7 @@ def main():
             module.fail_json(msg="'entry' MUST NOT be set when 'state=query'.")
 
         default_flag, etype, entity, permissions = split_entry(entry)
-        if default_flag != None:
+        if default_flag is not None:
             default = default_flag
 
     if get_platform().lower() == 'freebsd':

lib/ansible/modules/files/find.py

@@ -227,7 +227,8 @@ def sizefilter(st, size):
 
 def contentfilter(fsname, pattern):
     '''filter files which contain the given expression'''
-    if pattern is None: return True
+    if pattern is None:
+        return True
 
     try:
        f = open(fsname)

lib/ansible/modules/files/unarchive.py

@@ -349,8 +349,10 @@ class ZipArchive(object):
                 continue
 
             # Check first and seventh field in order to skip header/footer
-            if len(pcs[0]) != 7 and len(pcs[0]) != 10: continue
-            if len(pcs[6]) != 15: continue
+            if len(pcs[0]) != 7 and len(pcs[0]) != 10:
+                continue
+            if len(pcs[6]) != 15:
+                continue
 
             # Possible entries:
             #   -rw-rws---  1.9 unx    2802 t- defX 11-Aug-91 13:48 perms.2660

lib/ansible/modules/monitoring/circonus_annotation.py

@@ -109,15 +109,15 @@ def post_annotation(annotation, api_key):
 def create_annotation(module):
     ''' Takes ansible module object '''
     annotation = {}
-    if module.params['duration'] != None:
+    if module.params['duration'] is not None:
         duration = module.params['duration']
     else:
         duration = 0
-    if module.params['start'] != None:
+    if module.params['start'] is not None:
         start = module.params['start']
     else:
         start = int(time.time())
-    if module.params['stop'] != None:
+    if module.params['stop'] is not None:
         stop = module.params['stop']
     else:
         stop = int(time.time())+ duration

lib/ansible/modules/monitoring/librato_annotation.py

@@ -117,15 +117,15 @@ def post_annotation(module):
     params = {}
     params['title'] = title
 
-    if module.params['source'] != None:
+    if module.params['source'] is not None:
         params['source'] = module.params['source']
-    if module.params['description'] != None:
+    if module.params['description'] is not None:
         params['description'] = module.params['description']
-    if module.params['start_time'] != None:
+    if module.params['start_time'] is not None:
         params['start_time'] = module.params['start_time']
-    if module.params['end_time'] != None:
+    if module.params['end_time'] is not None:
         params['end_time'] = module.params['end_time']
-    if module.params['links'] != None:
+    if module.params['links'] is not None:
         params['links'] = module.params['links']
 
     json_body = module.jsonify(params)

lib/ansible/modules/network/dnsimple.py

@@ -276,8 +276,10 @@ def main():
                     # check if we need to update
                     if rr['ttl'] != ttl or rr['prio'] != priority:
                         data = {}
-                        if ttl:      data['ttl']  = ttl
-                        if priority: data['prio'] = priority
+                        if ttl:
+                            data['ttl']  = ttl
+                        if priority:
+                            data['prio'] = priority
                         if module.check_mode:
                             module.exit_json(changed=True)
                         else:
@@ -291,8 +293,10 @@ def main():
                         'record_type': record_type,
                         'content':     value,
                     }
-                    if ttl:      data['ttl']  = ttl
-                    if priority: data['prio'] = priority
+                    if ttl:
+                        data['ttl']  = ttl
+                    if priority:
+                        data['prio'] = priority
                     if module.check_mode:
                         module.exit_json(changed=True)
                     else:

lib/ansible/modules/network/exoscale/exo_dns_record.py

@@ -332,9 +332,9 @@ class ExoDnsRecord(ExoDns):
     def present_record(self):
         record = self.get_record()
         if not record:
-            record = self._create_record(record);
+            record = self._create_record(record)
         else:
-            record = self._update_record(record);
+            record = self._update_record(record)
         return record
 
     def absent_record(self):

lib/ansible/modules/network/snmp_facts.py

@@ -209,10 +209,10 @@ def main():
             module.fail_json(msg='Community not set when using snmp version 2')
 
     if m_args['version'] == "v3":
-        if m_args['username'] == None:
+        if m_args['username'] is None:
             module.fail_json(msg='Username not set when using snmp version 3')
 
-        if m_args['level'] == "authPriv" and m_args['privacy'] == None:
+        if m_args['level'] == "authPriv" and m_args['privacy'] is None:
             module.fail_json(msg='Privacy algorithm not set when using authPriv')
 
 

lib/ansible/modules/notification/sendgrid.py

@@ -252,7 +252,7 @@ def main():
 
     sendgrid_lib_args = [api_key, bcc, cc, headers, from_name, html_body, attachments]
 
-    if any(lib_arg != None for lib_arg in sendgrid_lib_args) and not HAS_SENDGRID:
+    if any(lib_arg is not None for lib_arg in sendgrid_lib_args) and not HAS_SENDGRID:
         module.fail_json(msg='You must install the sendgrid python library if you want to use any of the following arguments: api_key, bcc, cc, headers, from_name, html_body, attachments')
 
     response, info = post_sendgrid_api(module, username, password,

lib/ansible/modules/packaging/language/pear.py

@@ -77,7 +77,8 @@ def get_local_version(pear_output):
     for line in lines:
         if 'Installed ' in line:
             installed = line.rsplit(None, 1)[-1].strip()
-            if installed == '-': continue
+            if installed == '-':
+                continue
             return installed
     return None
 

lib/ansible/modules/packaging/os/layman.py

@@ -103,7 +103,8 @@ except ImportError:
     HAS_LAYMAN_API = False
 
 
-class ModuleError(Exception): pass
+class ModuleError(Exception):
+    pass
 
 
 def init_layman(config=None):
@@ -201,7 +202,8 @@ def uninstall_overlay(module, name):
         module.exit_json(changed=True, msg=mymsg)
 
     layman.delete_repos(name)
-    if layman.get_errors(): raise ModuleError(layman.get_errors())
+    if layman.get_errors():
+        raise ModuleError(layman.get_errors())
 
     return True
 

lib/ansible/modules/packaging/os/openbsd_pkg.py

@@ -161,9 +161,9 @@ def get_package_state(names, pkg_spec, module):
             # find multiple packages with that name.
             pkg_spec[name]['installed_names'] = [installed_name for installed_name in stdout.splitlines()]
             module.debug("get_package_state(): installed_names = %s" % pkg_spec[name]['installed_names'])
-            pkg_spec[name]['installed_state'] = True;
+            pkg_spec[name]['installed_state'] = True
         else:
-            pkg_spec[name]['installed_state'] = False;
+            pkg_spec[name]['installed_state'] = False
 
 # Function used to make sure a package is present.
 def package_present(names, pkg_spec, module):

lib/ansible/modules/packaging/os/pkg5_publisher.py

@@ -111,7 +111,7 @@ def modify_publisher(module, params):
 
     if name in existing:
         for option in ['origin', 'mirror', 'sticky', 'enabled']:
-            if params[option] != None:
+            if params[option] is not None:
                 if params[option] != existing[name][option]:
                     return set_publisher(module, params)
     else:
@@ -124,21 +124,21 @@ def set_publisher(module, params):
     name = params['name']
     args = []
 
-    if params['origin'] != None:
+    if params['origin'] is not None:
         args.append('--remove-origin=*')
         args.extend(['--add-origin=' + u for u in params['origin']])
-    if params['mirror'] != None:
+    if params['mirror'] is not None:
         args.append('--remove-mirror=*')
         args.extend(['--add-mirror=' + u for u in params['mirror']])
 
-    if params['sticky'] != None and params['sticky']:
+    if params['sticky'] is not None and params['sticky']:
         args.append('--sticky')
-    elif params['sticky'] != None:
+    elif params['sticky'] is not None:
         args.append('--non-sticky')
 
-    if params['enabled'] != None and params['enabled']:
+    if params['enabled'] is not None and params['enabled']:
         args.append('--enable')
-    elif params['enabled'] != None:
+    elif params['enabled'] is not None:
         args.append('--disable')
 
     rc, out, err = module.run_command(

lib/ansible/modules/packaging/os/swdepot.py

@@ -140,7 +140,7 @@ def main():
     changed = False
     msg = "No changed"
     rc = 0
-    if ( state == 'present' or state == 'latest' ) and depot == None:
+    if ( state == 'present' or state == 'latest' ) and depot is None:
         output = "depot parameter is mandatory in present or latest task"
         module.fail_json(name=name, msg=output, rc=rc)
 

lib/ansible/modules/system/firewalld.py

@@ -515,10 +515,10 @@ def main():
 
 
     ## Verify required params are provided
-    if module.params['source'] == None and module.params['permanent'] == None:
+    if module.params['source'] is None and module.params['permanent'] is None:
         module.fail_json(msg='permanent is a required parameter')
 
-    if module.params['interface'] != None and module.params['zone'] == None:
+    if module.params['interface'] is not None and module.params['zone'] is None:
         module.fail(msg='zone is a required parameter')
 
     if module.params['immediate'] and fw_offline:
@@ -531,14 +531,14 @@ def main():
     rich_rule = module.params['rich_rule']
     source = module.params['source']
 
-    if module.params['port'] != None:
+    if module.params['port'] is not None:
         port, protocol = module.params['port'].split('/')
-        if protocol == None:
+        if protocol is None:
             module.fail_json(msg='improper port format (missing protocol?)')
     else:
         port = None
 
-    if module.params['zone'] != None:
+    if module.params['zone'] is not None:
         zone = module.params['zone']
     else:
         if fw_offline:
@@ -554,21 +554,21 @@ def main():
     masquerade = module.params['masquerade']
 
     modification_count = 0
-    if service != None:
+    if service is not None:
         modification_count += 1
-    if port != None:
+    if port is not None:
         modification_count += 1
-    if rich_rule != None:
+    if rich_rule is not None:
         modification_count += 1
-    if interface != None:
+    if interface is not None:
         modification_count += 1
-    if masquerade != None:
+    if masquerade is not None:
         modification_count += 1
 
     if modification_count > 1:
         module.fail_json(msg='can only operate on port, service, rich_rule or interface at once')
 
-    if service != None:
+    if service is not None:
         if immediate and permanent:
             is_enabled_permanent = action_handler(
                 get_service_enabled_permanent,
@@ -676,7 +676,7 @@ def main():
 
     # FIXME - source type does not handle non-permanent mode, this was an
     #         oversight in the past.
-    if source != None:
+    if source is not None:
         is_enabled = action_handler(get_source, (zone, source))
         if desired_state == "enabled":
             if is_enabled == False:
@@ -695,7 +695,7 @@ def main():
                 changed=True
                 msgs.append("Removed %s from zone %s" % (source, zone))
 
-    if port != None:
+    if port is not None:
         if immediate and permanent:
             is_enabled_permanent = action_handler(
                 get_port_enabled_permanent,
@@ -800,7 +800,7 @@ def main():
             msgs.append("Changed port %s to %s" % ("%s/%s" % (port, protocol), \
                         desired_state))
 
-    if rich_rule != None:
+    if rich_rule is not None:
         if immediate and permanent:
             is_enabled_permanent = action_handler(
                 get_rich_rule_enabled_permanent,
@@ -903,7 +903,7 @@ def main():
         if changed == True:
             msgs.append("Changed rich_rule %s to %s" % (rich_rule, desired_state))
 
-    if interface != None:
+    if interface is not None:
         if immediate and permanent:
             is_enabled_permanent = action_handler(
                 get_interface_permanent,
@@ -986,7 +986,7 @@ def main():
                     changed=True
                     msgs.append("Removed %s from zone %s" % (interface, zone))
 
-    if masquerade != None:
+    if masquerade is not None:
 
         if immediate and permanent:
             is_enabled_permanent = action_handler(

lib/ansible/modules/system/gluster_volume.py

@@ -436,13 +436,13 @@ def main():
 
     # Clean up if last element is empty. Consider that yml can look like this:
     #   cluster="{% for host in groups['glusterfs'] %}{{ hostvars[host]['private_ip'] }},{% endfor %}"
-    if cluster != None and len(cluster) > 1 and cluster[-1] == '':
+    if cluster is not None and len(cluster) > 1 and cluster[-1] == '':
         cluster = cluster[0:-1]
 
-    if cluster == None or cluster[0] == '':
+    if cluster is None or cluster[0] == '':
         cluster = [myhostname]
 
-    if brick_paths != None and "," in brick_paths:
+    if brick_paths is not None and "," in brick_paths:
         brick_paths = brick_paths.split(",")
     else:
         brick_paths = [brick_paths]

lib/ansible/modules/system/lvol.py

@@ -262,7 +262,7 @@ def main():
 
     # Determine if the "--yes" option should be used
     version_found = get_lvm_version(module)
-    if version_found == None:
+    if version_found is None:
         module.fail_json(msg="Failed to get LVM version number")
     version_yesopt = mkversion(2, 2, 99) # First LVM with the "--yes" option
     if version_found >= version_yesopt:
@@ -320,7 +320,8 @@ def main():
 
             try:
                float(size)
-               if not size[0].isdigit(): raise ValueError()
+               if not size[0].isdigit():
+                   raise ValueError()
             except ValueError:
                module.fail_json(msg="Bad size specification of '%s'" % size)
 

lib/ansible/modules/system/user.py

@@ -1953,7 +1953,7 @@ class AIX(User):
         else:
             (rc2, out2, err2) = (None, '', '')
 
-        if rc != None:
+        if rc is not None:
             return (rc, out+out2, err+err2)
         else:
             return (rc2, out+out2, err+err2)

lib/ansible/modules/web_infrastructure/apache2_mod_proxy.py

@@ -374,7 +374,7 @@ def main():
     if HAS_BEAUTIFULSOUP is False:
         module.fail_json(msg="python module 'BeautifulSoup' is required!")
 
-    if module.params['state'] != None:
+    if module.params['state'] is not None:
         states = module.params['state'].split(',')
         if (len(states) > 1) and (("present" in states) or ("enabled" in states)):
             module.fail_json(msg="state present/enabled is mutually exclusive with other states!")