def __writeFieldHeader(self, type, fid):
    delta = self.__last_fid - fid
    if 0 < delta <= 15:
      self.__writeUByte(delta << 4 | type)
    else:
      self.__writeByte(type)
      self.__writeI16(fid)
    self.__last_fid = fid
dataset/ETHPy150Open JT5D/Alfred-Popclip-Sublime/Sublime Text 2/SublimeEvernote/lib/thrift/protocol/TCompactProtocol.py/TCompactProtocol.__writeFieldHeader/swapped operands of `-`