Fixed typo

Author: c8y3

validation/graylog_rest_api.py

@@ -120,7 +120,7 @@ def events_search_is_available(self):
     def get_events(self):
         response = self._search_events()
         body = response.json()
-        return return body
+        return body
 
     def get_events_count(self):
         body = self.get_events()