def test_build_dist_index():
    assert len(dist_index) <= len(pkgs)
    assert all(isinstance(x, str) for x in dist_index.keys())
    assert all(isinstance(x, DistPackage) for x in dist_index.values())
dataset/ETHPy150Open naiquevin/pipdeptree/tests/test_pipdeptree.py/test_build_dist_index/operator `==` -> `<=`