F                                                                        [100%]
=================================== FAILURES ===================================
___________________________________ test_loc ___________________________________

    def test_loc():
        _hidden_ = 1
        fr = Frame()
>       helper(fr)

_hidden_   = 1
fr         = <Frame app.py:12>

test_dlo.py:13: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

f = <Frame app.py:12>

    def helper(f):
>       raise ValueError('helper boom\nl2\nl3')
E       ValueError: helper boom
E       l2
E       l3

f          = <Frame app.py:12>

test_dlo.py:7: ValueError
1 failed in 0.01s
