1. Removed redundant default values in argument_spec
2. Enclosed non standard python libraries in Try Except ImportError block
3. Added region as a mandatory element in argument_spec
4. Updated the typo in api_params while accessing job queue. Changed it from job_queue to jobQueue
5. Updated the set_api_params() method to use snake_dict_to_camel_dict()
6. Updated the ANSIBLE_METADATA version from 1.0 to 1.1
7. Updated the version_added in Documentation from 2.4 to 2.5
8. Initialized response value to None
9. Updated the RETUN documentation
10. Updated the return from manage_state() method to not embed batch_job_queue_action in ansible_facts
11. Updated the module.exit_json() in main() to convert any keys back to snake_dict format using camel_dict_to_snake_dict to maintain consistency throughout the module
12. Changed the filename from batch_job_queue.py to aws_batch_job_queue.py
Jonathan Meran