text: #!/usr/bin/env python
  
  from typing import NamedTuple
  
  from hummingbot.market.market_base import MarketBase
  
  
  class PureMarketPair(NamedTuple):
      """
      Specifies a pair of markets for pure market making.
  
      e.g. If I want to market make on Binance ETH-USDT, then,
           PureMarketPair(binance, "ETHUSDT", "ETH", "USDT")
      """
      maker_market: MarketBase
      maker_symbol: str
      maker_base_currency: str
      maker_quote_currency: str
  
  
  
  
  
  