typing.cast field_obj.attribute

marshmallow-code · Oct 28, 2021 · a53475a · a53475a
1 parent 1feec81
commit a53475a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/marshmallow/schema.py b/src/marshmallow/schema.py
@@ -663,7 +663,7 @@ def _deserialize(
                     index=index,
                 )
                 if value is not missing:
-                    key = field_obj.attribute
+                    key = typing.cast(str, field_obj.attribute)
                     set_value(ret_d, key, value)
             if unknown != EXCLUDE:
                 fields = {field_obj.data_key for field_obj in self.load_fields.values()}