def select_source(self, source):
        raise NotImplementedError()

    # No need to overwrite these.
Attempts to register a new user
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/media_player/__init__.py/MediaPlayerDevice.select_source--crossover with--dataset/ETHPy150Open huner2/Tiny-CTF-Platform/server.py/register_submit