@classdef.method("mtime")
    def method_mtime(self, space):
        try:
            stat_val = os.stat(self.filename)
        except __HOLE__ as e:
            raise error_for_oserror(space, e)
        return self._time_at(space, stat_val.st_mtime)
dataset/ETHPy150Open topazproject/topaz/topaz/objects/fileobject.py/W_FileObject.method_mtime