Collated PEP8 fixes (#25293)

- Make PEP8 compliant

lib/ansible/plugins/connection/paramiko_ssh.py

@@ -52,7 +52,7 @@ except ImportError:
     display = Display()
 
 
-AUTHENTICITY_MSG="""
+AUTHENTICITY_MSG = """
 paramiko: The authenticity of host '%s' can't be established.
 The %s key fingerprint is %s.
 Are you sure you want to continue connecting (yes/no)?
@@ -62,12 +62,12 @@ Are you sure you want to continue connecting (yes/no)?
 SETTINGS_REGEX = re.compile(r'(\w+)(?:\s*=\s*|\s+)(.+)')
 
 # prevent paramiko warning noise -- see http://stackoverflow.com/questions/3920502/
-HAVE_PARAMIKO=False
+HAVE_PARAMIKO = False
 with warnings.catch_warnings():
     warnings.simplefilter("ignore")
     try:
         import paramiko
-        HAVE_PARAMIKO=True
+        HAVE_PARAMIKO = True
         logging.getLogger("paramiko").setLevel(logging.WARNING)
     except ImportError:
         pass
@@ -109,7 +109,7 @@ class MyAddPolicy(object):
 
             self.connection.connection_unlock()
 
-            if inp not in ['yes','y','']:
+            if inp not in ['yes', 'y', '']:
                 raise AnsibleError("host connection rejected by user")
 
         key._added_by_ansible_this_time = True
@@ -213,11 +213,11 @@ class Connection(ConnectionBase):
         if C.HOST_KEY_CHECKING:
             for ssh_known_hosts in ("/etc/ssh/ssh_known_hosts", "/etc/openssh/ssh_known_hosts"):
                 try:
-                    #TODO: check if we need to look at several possible locations, possible for loop
+                    # TODO: check if we need to look at several possible locations, possible for loop
                     ssh.load_system_host_keys(ssh_known_hosts)
                     break
                 except IOError:
-                    pass # file was not found, but not required to function
+                    pass  # file was not found, but not required to function
             ssh.load_system_host_keys()
 
         sock_kwarg = self._parse_proxy_command(port)
@@ -305,10 +305,10 @@ class Connection(ConnectionBase):
                     display.debug("chunk is: %s" % chunk)
                     if not chunk:
                         if b'unknown user' in become_output:
-                            raise AnsibleError( 'user %s does not exist' % self._play_context.become_user)
+                            raise AnsibleError('user %s does not exist' % self._play_context.become_user)
                         else:
                             break
-                            #raise AnsibleError('ssh connection closed waiting for password prompt')
+                            # raise AnsibleError('ssh connection closed waiting for password prompt')
                     become_output += chunk
 
                     # need to check every line because we might get lectured
@@ -441,7 +441,7 @@ class Connection(ConnectionBase):
             # (This doesn't acquire the connection lock because it needs
             # to exclude only other known_hosts writers, not connections
             # that are starting up.)
-            lockfile = self.keyfile.replace("known_hosts",".known_hosts.lock")
+            lockfile = self.keyfile.replace("known_hosts", ".known_hosts.lock")
             dirname = os.path.dirname(self.keyfile)
             makedirs_safe(dirname)
 
@@ -457,7 +457,7 @@ class Connection(ConnectionBase):
                 # gather information about the current key file, so
                 # we can ensure the new file has the correct mode/owner
 
-                key_dir  = os.path.dirname(self.keyfile)
+                key_dir = os.path.dirname(self.keyfile)
                 if os.path.exists(self.keyfile):
                     key_stat = os.stat(self.keyfile)
                     mode = key_stat.st_mode