recent Python breaks test "test_parse_ni_uri"

[mr-c]

Probably due to python/cpython#67693 which was backported to Python 3.8.20, 3.9.20, 3.10.15, 3.11.10, and 3.12.6

_________________________ TestParse.test_parse_ni_uri __________________________

self = <tests.test_parse.TestParse testMethod=test_parse_ni_uri>

    def test_parse_ni_uri(self):
>       self.assertEqual("ni:///sha-256;f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk",
             parse.parse_arcp("arcp://ni,sha-256;f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk/")
                .ni_uri())
E       AssertionError: 'ni:///sha-256;f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk' != 'ni:sha-256;f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk'
E       - ni:///sha-256;f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk
E       ?    ---
E       + ni:sha-256;f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk

tests/test_parse.py:169: AssertionError

Full log: https://people.debian.org/~sanvila/build-logs/202409/arcp_0.2.1-6_amd64-20240915T143933.090Z