Clean up Twisted version check
Clean up Twisted version check

elacuesta/scrapy,scrapy/scrapy,pawelmhm/scrapy,pablohoffman/scrapy,scrapy/scrapy,elacuesta/scrapy,pablohoffman/scrapy,pablohoffman/scrapy,dangra/scrapy,dangra/scrapy,pawelmhm/scrapy,elacuesta/scrapy,dangra/scrapy,pawelmhm/scrapy,scrapy/scrapy