Refactor install_asyncio_reactor slightly.
Refactor install_asyncio_reactor slightly.

starrify/scrapy,pawelmhm/scrapy,elacuesta/scrapy,scrapy/scrapy,pablohoffman/scrapy,starrify/scrapy,pawelmhm/scrapy,dangra/scrapy,eLRuLL/scrapy,dangra/scrapy,elacuesta/scrapy,elacuesta/scrapy,pablohoffman/scrapy,eLRuLL/scrapy,scrapy/scrapy,dangra/scrapy,eLRuLL/scrapy,pablohoffman/scrapy,scrapy/scrapy,pawelmhm/scrapy,starrify/scrapy