Bulk autopep8 (modules)

As agreed in 2017-12-07 Core meeting bulk fix pep8 issues

Generated using:
autopep8 1.3.3 (pycodestyle: 2.3.1)
autopep8 -r  --max-line-length 160 --in-place --ignore E305,E402,E722,E741 lib/ansible/modules

Manually fix issues that autopep8 has introduced

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

@@ -131,6 +131,7 @@ from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.ec2 import boto3_conn, camel_dict_to_snake_dict, ec2_argument_spec, get_aws_connection_info
 from ansible.module_utils._text import to_text
 
+
 class EcsTaskManager:
     """Handles ECS Tasks"""
 
@@ -183,7 +184,7 @@ class EcsTaskManager:
     def describe_task_definitions(self, family):
         data = {
             "taskDefinitionArns": [],
-            "nextToken":  None
+            "nextToken": None
         }
 
         def fetch():
@@ -371,7 +372,7 @@ def main():
             if 'arn' in module.params and module.params['arn'] is not None:
                 task_to_describe = module.params['arn']
             elif 'family' in module.params and module.params['family'] is not None and 'revision' in module.params and \
-                            module.params['revision'] is not None:
+                    module.params['revision'] is not None:
                 task_to_describe = module.params['family'] + ":" + str(module.params['revision'])
             else:
                 module.fail_json(msg="To use task definitions, an arn or family and revision must be specified")