Autopkgtest for python3-vcr now fail in eoan release

[Łukasz Zemczak]

Tests started failing recently, unrelated to any vcr.py uploads. Failure for all arches:

=================================== FAILURES ===================================
_____________________________ test_post_file[http] _____________________________

tmpdir = local('/tmp/pytest-of-ubuntu/pytest-0/test_post_file_http_0')
httpbin_both = <pytest_httpbin.serve.Server object at 0x7af6e7aaa4d0>

    def test_post_file(tmpdir, httpbin_both):
        '''Ensure that we handle posting a file.'''
        url = httpbin_both + '/post'
> with vcr.use_cassette(str(tmpdir.join('post_file.yaml'))) as cass, open('tox.ini') as f:
E FileNotFoundError: [Errno 2] No such file or directory: 'tox.ini'

tests/integration/test_requests.py:257: FileNotFoundError