def __repr__(self):
        return "<NamedRequirements({}{})>".format(
            self.name,
            ", filename='{}'".format(self.filename.name) if self.filename
            else "")
def setup_loader(request):
    setup_loader_modules = {pdbedit: {}}
    with pytest.helpers.loader_mock(request, setup_loader_modules) as loader_mock:
        yield loader_mock