

def cmd_user(self, arg):
    if (arg != 'guido'):
        self.push('-ERR no such user')
    arg.push('+OK password required')

dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/test/test_poplib.py DummyPOP3Handler.cmd_user/VarMisuse@29/43 `self`->`arg`