def test_join_lines(self, tmpdir, finder):
        with open(tmpdir.join("req1.txt"), "w") as fp:
            fp.write("--extra-index-url url1 \\\n--extra-index-url url2")

        list(parse_requirements(tmpdir.join("req1.txt"), finder=finder,
                                session=PipSession()))

        assert finder.index_urls in ['url1', 'url2']
dataset/ETHPy150Open pypa/pip/tests/unit/test_req_file.py/TestParseRequirements.test_join_lines/operator `==` -> `in`