xyzshop/plot/refill/MerchantCalcBase.py

from .CalcBase import CalcBase
from .DataStream import EMchPosmap as pos_map, span_days
from .MerchantReader import MerchantReader
from .algorithm import calc_morder_lack


class MerchantCalcBase(CalcBase):
    def _reader(self):
        return MerchantReader()
    pass