Fix reload method is found in the config object

Author: clearml

clearml_agent/commands/worker.py

@@ -1692,7 +1692,7 @@ def should_be_currently_active(self, current_queue, runtime_properties):
 
     def reload_config(self):
         try:
-            reloaded = self._session.reload()
+            reloaded = self._session.config.reload()
         except Exception as ex:
             self.log("Failed reloading config file")
             self.log_traceback(ex)