def fetch(self, year: int, month: int):
        """Fetch year month data"""
        self.raw_data = [self.fetcher.fetch(year, month, self.sid)]
        self.data = self.raw_data[0]['data']
        return self.data
def fetch ( self , year : int , month : int ) : self . raw_data = [ self . fetcher . fetch ( year , month , self . sid ) ] self . data = self . raw_data [ 0 ] [ 'data' ] return self . data
Fetch year month data