def select_except(self, *args: str) -> "Self":
        """Select all the signals expect the specified signals."""
        new_schema = self.signals_schema.select_except_signals(*args)
        columns = new_schema.db_signals()
        return self._evolve(
            query=self._query.select(*columns), signal_schema=new_schema
        )
Select all the signals expect the specified signals.
src/datachain/lib/dc/datachain.py