🐛 fix unset can not be pickled

yanyongyu · web-flow · commit f46b4ec3e50d · 2023-05-21T16:13:19.000Z
diff --git a/githubkit/utils.py b/githubkit/utils.py
@@ -10,7 +10,7 @@
 
 @final
 class Unset(Enum):
-    _UNSET = object()
+    _UNSET = "<UNSET>"
 
     def __repr__(self) -> str:
         return "<UNSET>"
