Add data_key to Field.__repr__

Author: lafrech

src/marshmallow/fields.py

@@ -235,7 +235,7 @@ def __init__(
     def __repr__(self) -> str:
         return (
             "<fields.{ClassName}(dump_default={self.dump_default!r}, "
-            "attribute={self.attribute!r}, "
+            "attribute={self.attribute!r}, data_key={self.data_key!r}, "
             "validate={self.validate}, required={self.required}, "
             "load_only={self.load_only}, dump_only={self.dump_only}, "
             "load_default={self.load_default}, allow_none={self.allow_none}, "

tests/test_fields.py

@@ -32,7 +32,7 @@ def test_repr(self):
         default = "œ∑´"
         field = fields.Field(dump_default=default, attribute=None)
         assert repr(field) == (
-            "<fields.Field(dump_default={0!r}, attribute=None, "
+            "<fields.Field(dump_default={0!r}, attribute=None, data_key=None, "
             "validate=None, required=False, "
             "load_only=False, dump_only=False, "
             "load_default={missing}, allow_none=False, "