Bulk migration to fail_json_aws (ansible-collections#361)

* Split imports and sort
* Move camel_dict_to_snake_dict imports to ansible.module_utils.common.dict_transformations
* Cleanup unused imports
* Bulk migration to fail_json_aws
* Changelog

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections/community.aws@6c88315

plugins/modules/ec2_vpc_peer.py

@@ -221,8 +221,6 @@
 except ImportError:
     pass  # Handled by AnsibleAWSModule
 
-import traceback
-
 from ansible_collections.amazon.aws.plugins.module_utils.core import AnsibleAWSModule
 from ansible_collections.amazon.aws.plugins.module_utils.core import is_boto3_error_code
 
@@ -333,10 +331,10 @@ def peer_status(client, module):
     try:
         vpc_peering_connection = client.describe_vpc_peering_connections(**params)
         return vpc_peering_connection['VpcPeeringConnections'][0]['Status']['Code']
-    except is_boto3_error_code('InvalidVpcPeeringConnectionId.Malformed') as e:  # pylint: disable=duplicate-except
-        module.fail_json(msg='Malformed connection ID: {0}'.format(e), traceback=traceback.format_exc())
-    except botocore.exceptions.ClientError as e:  # pylint: disable=duplicate-except
-        module.fail_json(msg='Error while describing peering connection by peering_id: {0}'.format(e), traceback=traceback.format_exc())
+    except is_boto3_error_code('InvalidVpcPeeringConnectionId.Malformed') as e:
+        module.fail_json_aws(e, msg='Malformed connection ID')
+    except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:  # pylint: disable=duplicate-except
+        module.fail_json_aws(e, msg='Error while describing peering connection by peering_id')
 
 
 def accept_reject(state, client, module):