Fix: Fixed bug in Mentat daemon filer component.

In case empty message was loaded from the message queue error was logged into the log file, but event for fetching next message from the queue was not scheduled, which basically resulted in halting of the message processing.

lib/mentat/daemon/component/filer.py

@@ -265,10 +265,11 @@ class FilerDaemonComponent(pyzenkit.zendaemon.ZenDaemonComponent):  # pylint: di
             else:
                 daemon.logger.debug("Component '{}': Fetched message '{}'".format(self.cid, mid))
                 daemon.queue.schedule(self.EVENT_MSG_PROCESS, {'id': mid, 'data': mdata})
-                if not daemon.is_done():
-                    daemon.queue.schedule(self.EVENT_MSG_NEXT)
-                else:
-                    daemon.logger.info("Component '{}': Daemon is in shutdown process, will not fetch any new messages".format(self.cid))
+
+            if not daemon.is_done():
+                daemon.queue.schedule(self.EVENT_MSG_NEXT)
+            else:
+                daemon.logger.info("Component '{}': Daemon is in shutdown process, will not fetch any new messages".format(self.cid))
         else:
             if not daemon.is_done():
                 daemon.logger.info("Component '{}': Scheduling next queue check after '{}' seconds".format(self.cid, self.wait_interval))