def METHOD_NAME():
    r = np.eye(10)
    lc = LinearConstraint(r, require_pandas=False)
    assert hex(id(lc)) in lc.__repr__()
    assert "10 constraints" in lc.__repr__()
    assert isinstance(lc.q, pd.Series)
    assert np.all(lc.q == 0)
    assert lc.q.shape == (10,)
    assert isinstance(lc.r, pd.DataFrame)
    assert np.all(np.asarray(lc.r) == np.eye(10))