TypeError: 'generator' object is not subscriptable

TypeError: 'generator' object is not subscriptable

生成器對象不可以帶下標

 

 

def get_row(self,row_no):
    if not isinstance(row_no,int):
        return  None
    if self.sheet is not None:
        return self.sheet.rows[row_no-1]
    return None