call site 0 for code.Code.__ne__
code/testing/test_code.py - line 15
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   def test_ne():
       code1 = py.code.Code(compile('foo = "bar"', '', 'exec'))
       assert code1 == code1
       code2 = py.code.Code(compile('foo = "baz"', '', 'exec'))
->     assert code2 != code1