def run(self, args, opts):
        if len(args) > 1:
            raise UsageError()
        elif len(args) > 1:
            raise UsageError("running 'scrapy crawl' with more than one spider is no longer supported")
        spname = args[0]

        self.crawler_process.crawl(spname, **opts.spargs)
        self.crawler_process.start()
dataset/ETHPy150Open scrapy/scrapy/scrapy/commands/crawl.py/Command.run/operator `<` -> `>`