Description of problem:
Package mopidy-mpd fails to build from source in Fedora Rawhide.

Version-Release number of selected component (if applicable):
3.3.0-10.fc42

Steps to Reproduce:
koji build --scratch f42 mopidy-mpd-3.3.0-10.fc42.src.rpm

Additional info:
This package is tracked by Koschei. See:
https://koschei.fedoraproject.org/package/mopidy-mpd

Reproducible: Always

Actual Results:  
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_pause_off
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_pause_on
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_pause_toggle
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_play_minus_one_plays_current_track_if_current_track_is_set
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_play_minus_one_plays_first_in_playlist_if_no_current_track
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_play_with_pos
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_play_with_pos_without_quotes
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_playid
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_playid_minus_1_plays_current_track_if_current_track_is_set
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_playid_minus_1_plays_first_in_playlist_if_no_current_track
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_playid_without_quotes
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_seek_in_another_track
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_seekid_in_another_track
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_seekid_in_current_track
FAILED tests/protocol/test_playback.py::PlaybackControlHandlerTest::test_seekid_with_float
FAILED tests/test_dispatcher.py::MpdDispatcherTest::test_call_handler_for_unknown_command_raises_exception
FAILED tests/test_dispatcher.py::MpdDispatcherTest::test_handling_blacklisted_command
FAILED tests/test_dispatcher.py::MpdDispatcherTest::test_handling_unknown_request_yields_error
ERROR tests/test_dispatcher.py::TestMpdContext::test_browse_root - TypeError:...
ERROR tests/test_dispatcher.py::TestMpdContext::test_browse_root_recursive - ...
ERROR tests/test_dispatcher.py::TestMpdContext::test_browse_skips_bad_refs[bad_ref0]
ERROR tests/test_dispatcher.py::TestMpdContext::test_browse_skips_bad_refs[bad_ref1]
ERROR tests/test_dispatcher.py::TestMpdContext::test_browse_skips_bad_refs[bad_ref2]
ERROR tests/test_dispatcher.py::TestMpdContext::test_browse_skips_bad_refs[bad_ref3]


The update of mopidy from 3.0.0 to 4.0.0 is probably the culprit here.