code: def reqMarketRule(self, marketRuleId: int) -> PriceIncrement:
          
          return self._run(self.reqMarketRuleAsync(marketRuleId))
docs: Request price increments rule.
  
          https://interactivebrokers.github.io/tws-api/minimum_increment.html
  
          Args:
              marketRuleId: ID of market rule.
                  The market rule IDs for a contract can be obtained
                  via :meth:`.reqContractDetails` from
                  :class:`.ContractDetails`.marketRuleIds,
                  which contains a comma separated string of market rule IDs.