def __str__(self):
        try:
            version = getattr(self, 'version', None)
        except __HOLE__:
            version = None
        version = version or "[unknown version]"
        return "%s %s" % (self.project_name, version)
dataset/ETHPy150Open anzev/hedwig/build/pip/pip/_vendor/pkg_resources/__init__.py/Distribution.__str__