F                                                                        [100%]
=================================== FAILURES ===================================
_________________________________ test_frames __________________________________
test_lib.py:5: in test_frames
    assert_frame_equal((3, 2), (3, 4))
mylib/checks.py:3: in assert_frame_equal
    raise AssertionError(
E   AssertionError: DataFrame are different
E   
E   DataFrame shape mismatch
E   [left]:  (3, 2)
E   [right]: (3, 4)
1 failed in 0.02s
