Fix celery.py to only define app when not HF_SPACES

simulationserver/celery.py

@@ -9,7 +9,6 @@ if not HF_SPACES:
     app.config_from_object('django.conf:settings', namespace='CELERY')
     app.autodiscover_tasks()
 
-
-@app.task(bind=True, ignore_result=True)
-def debug_task(self):
-    print(f'Request: {self.request!r}')
+    @app.task(bind=True, ignore_result=True)
+    def debug_task(self):
+        print(f'Request: {self.request!r}')