simpler conditional

lib/ansible/module_utils/ec2.py

@@ -144,10 +144,10 @@ def get_aws_connection_info(module, boto3=False):
                 region = boto.config.get('Boto', 'aws_region')
                 if not region:
                     region = boto.config.get('Boto', 'ec2_region')
-            elif boto3 and HAS_BOTO3:
+            elif HAS_BOTO3:
                 # here we don't need to make an additional call, will default to 'us-east-1' if the below evaluates to None.
                 region = botocore.session.get_session().get_config_variable('region')
-            elif boto3 and not HAS_BOTO3:
+            else:
                 module.fail_json("Boto3 is required for this module. Please install boto3 and try again")
 
     if not security_token: