scipy.stats.NearConstantInputWarning# exception scipy.stats.NearConstantInputWarning(msg=None)[source]# Warns when all values in data are nearly equal. add_note(object, /)# Exception.add_note(note) – add a note to the exception with_traceback(object, /)# Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.