fix mysqldb exception catch bug
fix mysqldb exception catch bug

Chuck8080/pyspider,xyrnwbtj/dockerAutomatedBuild,zhwcoder/pyspider,sharpdeep/pyspider,zzzzzsh/pyspider,misspast/pyspider,byshen/pyspider,zhiyue/pyspider,tzq668766/pyspider,EasonYi/pyspider,luoq/pyspider,willworks/pyspider,Vietworm/pyspider,zzzzzsh/pyspider,luotao19861229/pyspider,hexiaochun/pyspider,zhounanshu/pyspider,fingthinking/pyspider,fingthinking/pyspider,zhiyue/pyspider,hexiaochun/pyspider,zorojean/pyspider,nosun/pyspider,jjyycchh/pyspider,zorojean/pyspider,kuyun-zhangyang/pyspider,WenZhuang/pyspider,ideas4u/pyspider,YuepengGuo/pyspider,WenZhuang/pyspider,gasongjian/pyspider,uileyar/pyspider,gasongjian/pyspider,KublaikhanGeek/pyspider,byshen/pyspider,ZuoGuocai/pyspider,raven47git/pyspider,tojinxin/pyspider,GoooIce/pyspider,fydlzr/pyspider,zorojean/pyspider,nosun/pyspider,newbiewoo/pyspider,tzq668766/pyspider,scrollpointclick/pyspider,machinewu/pyspider,YuepengGuo/pyspider,GoooIce/pyspider,t4skforce/pyspider,VDuda/pyspider,beni55/pyspider,beni55/pyspider,tiqiheng/pyspider,Chenmxs/pyspider,EasonYi/pyspider,hechunwen/pyspider,sharpdeep/pyspider,luoq/pyspider,Jaccorot/pyspider,Chenmxs/pyspider,nicozhang/pyspider,fydlzr/pyspider,tianzhidao28/pyspider,elijah513/pyspider,zhwcoder/pyspider,kuyun-zhangyang/pyspider,giantoak/pyspider,BuGoNee/pyspider,tojinxin/pyspider,wonderay/pyspider,YelaSeamless/pyspider,wonderay/pyspider,EasonYi/pyspider,Chuck8080/pyspider,notwin/pyspider,tzq668766/pyspider,byshen/pyspider,qiulimao/weblocust,nosun/pyspider,tiancheng91/pyspider,uileyar/pyspider,pang-w/pyspider,nju520/pyspider,wangjun/pyspider,littlezz/pyspider,YelaSeamless/pyspider,luoq/pyspider,snakeliwei/pyspider,newbiewoo/pyspider,EnderCheng/pyspider,binux/pyspider,sdeveloper/pyspider,jorik041/pyspider,xyzoer/pyspider,hexiaochun/pyspider,jamesblunt/pyspider,t4skforce/pyspider,tiqiheng/pyspider,fivejjs/pyspider,ourren/pyspider,xyzoer/pyspider,sdeveloper/pyspider,luotao19861229/pyspider,Yingmin-Li/pyspider,tianzhidao28/pyspider,tdifg/pyspider,fydlzr/pyspider,nju520/pyspider,PIK4/pyspider,xyzoer/pyspider,i17c/pyspider,PIK4/pyspider,hechunwen/pyspider,ideas4u/pyspider,shanezhiu/pyspider,raven47git/pyspider,machinewu/pyspider,pang-w/pyspider,GoooIce/pyspider,yfcydyf/pyspider,uileyar/pyspider,ourren/pyspider,xujun10110/pyspider,yfcydyf/pyspider,tiancheng91/pyspider,jorik041/pyspider,EnderCheng/pyspider,xyrnwbtj/dockerAutomatedBuild,wonderay/pyspider,jjyycchh/pyspider,zhounanshu/pyspider,machinewu/pyspider,scrollpointclick/pyspider,BuGoNee/pyspider,orinocoz/pyspider,ZuoGuocai/pyspider,binux/pyspider,xujun10110/pyspider,notwin/pyspider,giantoak/pyspider,binux/pyspider,80vul/pyspider,zhiyue/pyspider,shanezhiu/pyspider,lashwang/pyspider,tdifg/pyspider,lashwang/pyspider,e-dorigatti/pyspider,80vul/pyspider,snakeliwei/pyspider,jamesblunt/pyspider,HeChao12/pyspider,wangjun/pyspider,gasongjian/pyspider,littlezz/pyspider,wmttom/pyspider,scrollpointclick/pyspider,luotao19861229/pyspider,kuyun-zhangyang/pyspider,misspast/pyspider,willworks/pyspider,i17c/pyspider,snakeliwei/pyspider,wangjun/pyspider,zzzzzsh/pyspider,pang-w/pyspider,hechunwen/pyspider,notwin/pyspider,qiulimao/weblocust,eromoe/pyspider,YuepengGuo/pyspider,ZuoGuocai/pyspider,orinocoz/pyspider,e-dorigatti/pyspider,Vietworm/pyspider,VDuda/pyspider,WQuanfeng/pyspider,willworks/pyspider,tojinxin/pyspider,i17c/pyspider,WenZhuang/pyspider,Jaccorot/pyspider,sharpdeep/pyspider,VDuda/pyspider,WQuanfeng/pyspider,tiancheng91/pyspider,HeChao12/pyspider,ourren/pyspider,ideas4u/pyspider,elijah513/pyspider,lashwang/pyspider,nju520/pyspider,Chenmxs/pyspider,80vul/pyspider,nicozhang/pyspider,Jaccorot/pyspider,newbiewoo/pyspider,PIK4/pyspider,fivejjs/pyspider,tiqiheng/pyspider,whosyourban/pyspider,wmttom/pyspider,raven47git/pyspider,zhounanshu/pyspider,orinocoz/pyspider,jorik041/pyspider,BuGoNee/pyspider,eromoe/pyspider,zhwcoder/pyspider,whosyourban/pyspider,qiulimao/weblocust,Vietworm/pyspider,fivejjs/pyspider,yfcydyf/pyspider,ubear/Pyspider,YelaSeamless/pyspider,ubear/Pyspider,littlezz/pyspider,KublaikhanGeek/pyspider,jjyycchh/pyspider,xujun10110/pyspider,nicozhang/pyspider,KublaikhanGeek/pyspider,whosyourban/pyspider,elijah513/pyspider,Yingmin-Li/pyspider,wmttom/pyspider,HeChao12/pyspider,fingthinking/pyspider,misspast/pyspider,tianzhidao28/pyspider,beni55/pyspider,WQuanfeng/pyspider,eromoe/pyspider,sdeveloper/pyspider,Yingmin-Li/pyspider,e-dorigatti/pyspider