fix lease issue (#12828)

src/backend/InvenTree/plugin/lease.py

@@ -4,6 +4,7 @@ Used to serialize an potentially long-running operation,
 without holding a database transaction open for the duration.
 """
 
+import os
 import time
 from datetime import datetime, timedelta
 from typing import Optional
@@ -81,6 +82,10 @@ def acquire_lease_blocking(
     """
     deadline = time.monotonic() + timeout
 
+    if os.environ.get('SETUP_INITIALIZING', '0') == '1':
+        logger.debug("Skipping lease acquisition for '%s' during initialization", key)
+        return True
+
     while True:
         if try_acquire_lease(key):
             return True