``` _________________________________________________________ test_all_tools_are_listed __________________________________________________________ def test_all_tools_are_listed(): # Note the ordering of this test (see: f1d744da16) from diffoscope.comparators import ComparatorManager from diffoscope.external_tools import EXTERNAL_TOOLS from diffoscope.tools import tool_required ComparatorManager().reload() tools = set(tool_required.all) for x in tools: if x not in EXTERNAL_TOOLS: > pytest.fail(f"{x} is not present in EXTERNAL_TOOLS") E Failed: nonexistent is not present in EXTERNAL_TOOLS ``` * This comes from `tests/comparators/test_binary.py`. * Just need to test "`tests/comparators/test_binary.py::test_with_compare_details_and_tool_not_found tests/test_tools.py::test_all_tools_are_listed`", in that order. * Don't quite understand this, as `monkeypatch` is explicitly meant to be undone after the function exits. * *Especially* don't understand this as even manually removing `nonexistent` from the dict still causes the error (!) Discovered via job [#5372333](https://salsa.debian.org/reproducible-builds/diffoscope/-/jobs/5372333).