def convertInstanceToSingletonName(self, instance):
        """Convert an IVC to a singleton name."""
        if self.instanceToPythonName not in instance:
            return None

        return self.instanceToPythonName[instance]
dataset/ETHPy150Open ufora/ufora/ufora/FORA/python/PurePython/PyforaSingletonAndExceptionConverter.py/PyforaSingletonAndExceptionConverter.convertInstanceToSingletonName/swapped operands of `not in`