Fix wildcard imports, remove get_exception, add boilerplate

Fixed for monitoring modules

lib/ansible/modules/monitoring/bigpanda.py

@@ -1,20 +1,11 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
+# Copyright: Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
 
-# This file is part of Ansible
-#
-# Ansible is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# Ansible is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 
 ANSIBLE_METADATA = {'metadata_version': '1.0',
                     'status': ['preview'],
@@ -117,7 +108,14 @@ EXAMPLES = '''
 # ===========================================
 # Module execution.
 #
+import json
 import socket
+import traceback
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils._text import to_native
+from ansible.module_utils.urls import fetch_url
+
 
 def main():
 
@@ -194,13 +192,9 @@ def main():
             module.exit_json(changed=True, **deployment)
         else:
             module.fail_json(msg=json.dumps(info))
-    except Exception:
-        e = get_exception()
-        module.fail_json(msg=str(e))
+    except Exception as e:
+        module.fail_json(msg=to_native(e), exception=traceback.format_exc())
+
 
-# import module snippets
-from ansible.module_utils.basic import *
-from ansible.module_utils.urls import *
-from ansible.module_utils.pycompat24 import get_exception
 if __name__ == '__main__':
     main()