Fix flake8 problems in PR #3989 (#4176)
Fix flake8 problems in PR #3989 (#4176)


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