raise minimal twisted version for py3
raise minimal twisted version for py3

kmike/scrapy,umrashrf/scrapy,w495/scrapy,starrify/scrapy,eLRuLL/scrapy,carlosp420/scrapy,eLRuLL/scrapy,crasker/scrapy,shaform/scrapy,taito/scrapy,dangra/scrapy,Digenis/scrapy,wenyu1001/scrapy,Parlin-Galanodel/scrapy,darkrho/scrapy-scrapy,barraponto/scrapy,rklabs/scrapy,pawelmhm/scrapy,ArturGaspar/scrapy,ssteo/scrapy,foromer4/scrapy,wujuguang/scrapy,taito/scrapy,finfish/scrapy,rolando-contrib/scrapy,jdemaeyer/scrapy,carlosp420/scrapy,taito/scrapy,dracony/scrapy,rootAvish/scrapy,w495/scrapy,elacuesta/scrapy,darkrho/scrapy-scrapy,YeelerG/scrapy,redapple/scrapy,dangra/scrapy,pablohoffman/scrapy,Parlin-Galanodel/scrapy,eLRuLL/scrapy,scrapy/scrapy,foromer4/scrapy,GregoryVigoTorres/scrapy,ArturGaspar/scrapy,rklabs/scrapy,pablohoffman/scrapy,jc0n/scrapy,wujuguang/scrapy,redapple/scrapy,arush0311/scrapy,kmike/scrapy,pawelmhm/scrapy,pablohoffman/scrapy,finfish/scrapy,rolando/scrapy,ArturGaspar/scrapy,umrashrf/scrapy,wujuguang/scrapy,darkrho/scrapy-scrapy,jdemaeyer/scrapy,shaform/scrapy,YeelerG/scrapy,jc0n/scrapy,shaform/scrapy,ssteo/scrapy,Ryezhang/scrapy,rolando/scrapy,ssteo/scrapy,barraponto/scrapy,rolando-contrib/scrapy,rootAvish/scrapy,carlosp420/scrapy,Zephor5/scrapy,elacuesta/scrapy,cyberplant/scrapy,dracony/scrapy,umrashrf/scrapy,foromer4/scrapy,YeelerG/scrapy,Ryezhang/scrapy,rootAvish/scrapy,arush0311/scrapy,GregoryVigoTorres/scrapy,crasker/scrapy,Zephor5/scrapy,rolando-contrib/scrapy,scrapy/scrapy,dracony/scrapy,Zephor5/scrapy,pawelmhm/scrapy,starrify/scrapy,Digenis/scrapy,wenyu1001/scrapy,arush0311/scrapy,Ryezhang/scrapy,dangra/scrapy,jdemaeyer/scrapy,starrify/scrapy,finfish/scrapy,redapple/scrapy,wenyu1001/scrapy,cyberplant/scrapy,barraponto/scrapy,GregoryVigoTorres/scrapy,Digenis/scrapy,kmike/scrapy,scrapy/scrapy,w495/scrapy,elacuesta/scrapy,rolando/scrapy,cyberplant/scrapy,rklabs/scrapy,crasker/scrapy,Parlin-Galanodel/scrapy,jc0n/scrapy