Small bug fix

src/service/clmcservice/alertsapi/views.py

@@ -515,7 +515,7 @@ class AlertsConfigurationAPI(object):
         alerts_input_file = alert_spec_reference.file
 
         # allow only .yaml and .yml extensions for filename
-        if not (alerts_input_filename.lower().endswith('.yaml') and not alerts_input_filename.lower().endswith('.yml')):
+        if not alerts_input_filename.lower().endswith('.yaml') and not alerts_input_filename.lower().endswith('.yml'):
             raise HTTPBadRequest("Request to this API endpoint must include a (YAML) file input referenced as 'alert-spec' representing the TOSCA Alerts Specification.")
 
         # parse the alerts specification file