code style

Author: igcherkaev

actions/executions_cancel.py

@@ -12,7 +12,7 @@ def run(self, ids):
         for i in ids:
             try:
                 res = self.client.executions.delete_by_id(instance_id=i)
-                if 'faultstring' in res and res['faultstring']:
+                if res.get('faultstring'):
                     success = False
             except Exception as exc:
                 result[i] = str(exc)