@pytest.fixture(autouse=True)
def mock_inline_css(monkeypatch):
    from olympia.amo import helpers
    monkeypatch.setattr(helpers, 'is_external', lambda css: True)
Mock jingo_minify.helpers.is_external: don't break on missing files.
dataset/ETHPy150Open mozilla/addons-server/conftest.py/mock_inline_css