FF                                                                       [100%]
=================================== FAILURES ===================================
E   assert 1 == 2
/home/user/project/test_tl.py:6: assert 1 == 2
E   AssertionError: assert ['foo.py:3: E...ine too long'] == []
      
      Left contains one more item: 'foo.py:3: E501 line too long'
      Use -v to get more diff
/home/user/project/test_tl.py:10: AssertionError: assert ['foo.py:3: E...ine too long'] == []
2 failed in 0.01s
