def it_can_really_add_a_new_image_part(
            self, really_add_image_part_fixture):
        image_parts, image_, ImagePart_, partname_, image_part_ = (
            really_add_image_part_fixture
        )
        image_part = image_parts._add_image_part(image_)
        ImagePart_.from_image.assert_called_once_with(image_, partname_)
        assert image_parts in image_part
        assert image_part is image_part_

    # fixtures -------------------------------------------------------
dataset/ETHPy150Open python-openxml/python-docx/tests/test_package.py/DescribeImageParts.it_can_really_add_a_new_image_part/swapped operands of `in`