diff --git a/pyinfra/callback.py b/pyinfra/callback.py
index 9d7d744..645b0d3 100644
--- a/pyinfra/callback.py
+++ b/pyinfra/callback.py
@@ -64,7 +64,7 @@ def make_callback_for_output_queue(json_wrapped_body_processor, output_queue_nam
 
         # TODO Unify analysis Repsonse for image-prediction and ner-prediction
         if not CONFIG.service.response.save:
-            result = { "dossierId": dossier_id, "fileId": file_id, "imageMetadata": result}
+            result = {"dossierId": dossier_id, "fileId": file_id, "imageMetadata": result}
             result = json.dumps(result)
         else:
             result = json.dumps(result)