NotEvaluatedError¶ class NotEvaluatedError[source]¶ NotEvaluatedError. Exception class to raise if evaluator is used before having evaluated any metric. Attributes: args nameattribute name objobject Methods with_traceback Exception.with_traceback(tb) -- set self.__traceback__ to tb and return self. name[source]¶ attribute name obj[source]¶ object with_traceback()[source]¶ Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.