          assert value == 'http://example.com/example.txt'
  
  
  # Tests for SerializerMethodField.
  # --------------------------------
  
  class TestSerializerMethodField:
 
</s> remove     BuiltinSignatureError, DjangoImageField, is_simple_callable
 </s> add     BuiltinSignatureError, DjangoImageField, SkipField, empty,
    is_simple_callable
# Tests for FilePathField.
# --------------------

class TestFilePathFieldRequired:
    def test_required_passed_to_both_django_file_path_field_and_base(self):
        field = serializers.FilePathField(
            path=os.path.abspath(os.path.dirname(__file__)),
            required=False,
        )
        assert "" in field.choices  # Django adds empty choice if not required
        assert field.required is False
        with pytest.raises(SkipField):
            field.run_validation(empty)


          assert value == 'http://example.com/example.txt'
  
  
# Tests for FilePathField.
# --------------------

class TestFilePathFieldRequired:
    def test_required_passed_to_both_django_file_path_field_and_base(self):
        field = serializers.FilePathField(
            path=os.path.abspath(os.path.dirname(__file__)),
            required=False,
        )
        assert "" in field.choices  # Django adds empty choice if not required
        assert field.required is False
        with pytest.raises(SkipField):
            field.run_validation(empty)


  # Tests for SerializerMethodField.
  # --------------------------------
  
  class TestSerializerMethodField:
keep keep add keep keep keep keep
 fix FilePathField required argument (#8805) 
tests/test_fields.py