code: def readQuotes(self, start, end):
          ''' read quotes from Yahoo Financial'''
          if self.symbol is None:
              LOG.debug('Symbol is None')
              return []
  
          return self.__yf.getQuotes(self.symbol, start, endf readQuotes(self, start, end):
          ''' read quotes from Yahoo Financial'''
          if self.symbol is None:
              LOG.debug('Symbol is None')
              return []
  
          return self.__yf.getQuotes(self.symbol, start, end)
docs: read quotes from Yahoo Financial