Use 3-bytes for gzip archive type sniffing
Use 3-bytes for gzip archive type sniffing

finfish/scrapy,rolando-contrib/scrapy,scrapy/scrapy,pawelmhm/scrapy,darkrho/scrapy-scrapy,ArturGaspar/scrapy,umrashrf/scrapy,shaform/scrapy,wujuguang/scrapy,eLRuLL/scrapy,ssteo/scrapy,umrashrf/scrapy,finfish/scrapy,kmike/scrapy,rolando-contrib/scrapy,shaform/scrapy,dangra/scrapy,elacuesta/scrapy,dangra/scrapy,elacuesta/scrapy,pablohoffman/scrapy,kmike/scrapy,taito/scrapy,Ryezhang/scrapy,scrapy/scrapy,rolando/scrapy,wujuguang/scrapy,starrify/scrapy,eLRuLL/scrapy,elacuesta/scrapy,starrify/scrapy,rolando/scrapy,taito/scrapy,wujuguang/scrapy,starrify/scrapy,ArturGaspar/scrapy,pablohoffman/scrapy,Ryezhang/scrapy,pablohoffman/scrapy,ssteo/scrapy,scrapy/scrapy,umrashrf/scrapy,finfish/scrapy,eLRuLL/scrapy,ssteo/scrapy,darkrho/scrapy-scrapy,taito/scrapy,pawelmhm/scrapy,darkrho/scrapy-scrapy,shaform/scrapy,ArturGaspar/scrapy,pawelmhm/scrapy,kmike/scrapy,dangra/scrapy,Parlin-Galanodel/scrapy,Ryezhang/scrapy,Parlin-Galanodel/scrapy,rolando/scrapy,rolando-contrib/scrapy,Parlin-Galanodel/scrapy