def revoke_all_tokens(self):
try:<EOL><INDENT>self.store.clear_tokens()<EOL><DEDENT>except Exception:<EOL><INDENT>LOGGER.exception('<STR_LIT>')<EOL>return False<EOL><DEDENT>else:<EOL><INDENT>return True<EOL><DEDENT>
Implementation of :meth:`twitcher.api.ITokenManager.revoke_all_tokens`.