def remove_override(self, key):
keys = key.split('<STR_LIT:.>')<EOL>if len(keys) > <NUM_LIT:1>:<EOL><INDENT>raise NotImplementedError<EOL><DEDENT>elif key in self.overrides:<EOL><INDENT>del self.overrides[key]<EOL>self._uncache(key)<EOL><DEDENT>
Remove a setting override, if one exists.