audit: fix model information being saved nested

passbook/audit/middleware.py

@@ -66,9 +66,7 @@ class AuditMiddleware:
             return
 
         action = EventAction.MODEL_CREATED if created else EventAction.MODEL_UPDATED
-        EventNewThread(
-            action, request, user=user, kwargs={"model": model_to_dict(instance)}
-        ).run()
+        EventNewThread(action, request, user=user, model=model_to_dict(instance)).run()
 
     @staticmethod
     # pylint: disable=unused-argument
@@ -83,5 +81,5 @@ class AuditMiddleware:
             EventAction.MODEL_DELETED,
             request,
             user=user,
-            kwargs={"model": model_to_dict(instance)},
+            model=model_to_dict(instance),
         ).run()

passbook/audit/signals.py

@@ -25,10 +25,13 @@ class EventNewThread(Thread):
     kwargs: Dict[str, Any]
     user: Optional[User] = None
 
-    def __init__(self, action: str, request: HttpRequest, **kwargs):
+    def __init__(
+        self, action: str, request: HttpRequest, user: Optional[User] = None, **kwargs
+    ):
         super().__init__()
         self.action = action
         self.request = request
+        self.user = user
         self.kwargs = kwargs
 
     def run(self):