class_docstr: Execution style representing a limit order to be placed with a specified
  limit price once the market reaches a specified stop price.
code: def get_limit_price(self, is_buy):
      return asymmetric_round_price_to_penny(self.limit_price, is_buy)
  
imports: import abc
  from numpy import isfinite
  from six import with_metaclass
  from catalyst.errors import BadOrderParameters
label_desc: Use image node_id 2 for calling the StopLimitOrder obj's underlying member method code with example usage: obj.get_limit_price(is_buy) and returns: asymmetric_round_price_to_penny