fix: accurate wipe count on partial failure, remove stray blank line

litellm/proxy/prometheus_cleanup.py

@@ -15,14 +15,16 @@ from litellm._logging import verbose_proxy_logger
 def wipe_directory(directory: str) -> None:
     """Delete all .db files in the directory. Called once before workers fork."""
     files = glob.glob(os.path.join(directory, "*.db"))
+    deleted = 0
     for filepath in files:
         try:
             os.remove(filepath)
+            deleted += 1
         except OSError as e:
             verbose_proxy_logger.warning(
                 f"Failed to delete stale prometheus file {filepath}: {e}"
             )
-    if files:
+    if deleted:
         verbose_proxy_logger.info(
-            f"Prometheus cleanup: wiped {len(files)} stale .db files from {directory}"
+            f"Prometheus cleanup: wiped {deleted} stale .db files from {directory}"
         )

litellm/proxy/proxy_server.py

@@ -2045,7 +2045,6 @@ def _schedule_background_health_check_db_save(
     )
 
 
-
 async def _run_background_health_check():
     """
     Periodically run health checks in the background on the endpoints.