def parseSingleOption(self, response):
        i = parsers.parse_contract(response)
        m = response.meta['market']

        m['contracts'][i['ticker']] = i
        MarketSpider.complete_request(self, response)

        if MarketSpider.is_complete(self, response):
            return m
 def parse(self, response):
 	return parsers.parse_contract(response)