Update app.py

app.py

@@ -140,8 +140,9 @@ try:
     else:
          print("ℹ️  [Scheduler] Scheduler is disabled in batch_params.")
 
-except ImportError:
-    print("⚠️  [Scheduler] APScheduler not installed. Background jobs disabled.")
+except ImportError as e:
+    print(f"⚠️  [Scheduler] Import Error details: {e}")
+    print("⚠️  [Scheduler] APScheduler not installed or import failed. Background jobs disabled.")
 except Exception as e:
     print(f"⚠️  [Scheduler] Failed to start scheduler: {e}")