change log level to warning

src/aura_engine_api/rest/controllers/internal_controller.py

@@ -103,7 +103,7 @@ def list_playlog(
             fd = util.deserialize_datetime(from_date)
             td = util.deserialize_datetime(to_date)
         except Exception:
-            service.logger.info(
+            service.logger.warning(
                 "Invalid 'from_date' (%s) or 'to_date' (%s) for 'list_playlog'"
                 % (str(from_date), str(to_date))
             )