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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def or_where_pivot(self, column, operator=None, value=None):
 """ Set an or where clause for a pivot table column. :param column: The column of the where clause, can also be a QueryBuilder instance for sub where :type column: str|Builder :param operator: The operator of the where clause :type operator: str :param value: The value of the where clause :type value: mixed :return: self :rtype: BelongsToMany """

        return self.where_pivot(column, operator, value, "or")