def get_stream(self, uri):
        if not os.path.isabs(uri):
            uri = os.path.join(self.base, uri)
        try:
            return open(uri, 'rb')
        except IOError:
            warnings.warn(uri % 'Could not open "%s"')
            return None
dataset/ETHPy150Open ardekantur/pyglet/contrib/layout/layout/locator.py/LocalFileLocator.get_stream/swapped operands of `%`