Revert "add debug test"

This reverts commit e422150.

wis2box-management/wis2box/pubsub/subscribe.py

@@ -66,7 +66,7 @@ def handle(self, filepath, message):
             LOGGER.debug(msg)
         except ValueError as err:
             msg = f'handle() error: {err}'
-            LOGGER.error(msg, exc_info=True)
+            LOGGER.error(msg)
         except Exception as err:
             msg = f'handle() error: {err}'
             raise err