Replace root logger calls with module-specific loggers

core/cleanup.py

@@ -6,6 +6,8 @@ import pytz
 
 from core.data_store import DATA_STORE
 
+logger = logging.getLogger(__name__)
+
 
 class CleanupTimer:
     """Provides a timed cleanup of the spot list."""
@@ -63,7 +65,7 @@ class CleanupTimer:
 
         except Exception:
             self.status = "Error"
-            logging.exception("Exception in Cleanup thread")
+            logger.exception("Exception in Cleanup thread")
             self._stop_event.wait(timeout=1)