New issue 2594: _lzma.py contains truncated error messages https://bitbucket.org/pypy/pypy/issues/2594/_lzmapy-contains-truncated-error-messages Armin Rigo: In the py3.5 branch, ``lib_pypy/_lzma.py`` is full of this kind of line: ``raise ValueError("Must...")`` Why the truncated error messages??