Bugfix: Temporary fix around pre_save issues on create with M2M.

Author: jheld

easyaudit/signals/model_signals.py

@@ -52,7 +52,11 @@ def pre_save(sender, instance, raw, using, update_fields, **kwargs):
         with transaction.atomic():
             if not should_audit(instance):
                 return False
-            object_json_repr = serializers.serialize("json", [instance])
+            try:
+                object_json_repr = serializers.serialize("json", [instance])
+            except Exception:
+                # We need a better way for this to work. ManyToMany will fail on pre_save on create
+                return None
 
             if instance.pk is None:
                 created = True