Only notify when hipchat is setup.

playbooks/roles/supervisor/files/pre_supervisor_checks.py

@@ -137,6 +137,7 @@ if __name__ == '__main__':
     if environment is None or deployment is None or play is None:
         msg = "Unable to retrieve environment, deployment, or play tag."
         print(msg)
+        if notify:
             notify("{} : {}".format(prefix, msg))
         exit(0)
 
@@ -157,6 +158,7 @@ if __name__ == '__main__':
     except:
         msg = "Failed to tag volumes associated with {}".format(instance_id)
         print(msg)
+        if notify:
             notify(msg)
 
     try: