fix TypeError: ObjectId(xxx) is not JSON serializable when using pymongo
fix TypeError: ObjectId(xxx) is not JSON serializable when using pymongo

Chenmxs/pyspider,VDuda/pyspider,littlezz/pyspider,fivejjs/pyspider,qiulimao/weblocust,hexiaochun/pyspider,PIK4/pyspider,notwin/pyspider,littlezz/pyspider,sharpdeep/pyspider,e-dorigatti/pyspider,zorojean/pyspider,zhwcoder/pyspider,yfcydyf/pyspider,binux/pyspider,ourren/pyspider,e-dorigatti/pyspider,sdeveloper/pyspider,gasongjian/pyspider,gasongjian/pyspider,YelaSeamless/pyspider,uileyar/pyspider,uileyar/pyspider,machinewu/pyspider,snakeliwei/pyspider,fivejjs/pyspider,WenZhuang/pyspider,zzzzzsh/pyspider,KublaikhanGeek/pyspider,machinewu/pyspider,newbiewoo/pyspider,BuGoNee/pyspider,raven47git/pyspider,luoq/pyspider,snakeliwei/pyspider,wonderay/pyspider,wonderay/pyspider,lashwang/pyspider,notwin/pyspider,uileyar/pyspider,YelaSeamless/pyspider,PIK4/pyspider,Vietworm/pyspider,raven47git/pyspider,luotao19861229/pyspider,wangjun/pyspider,jjyycchh/pyspider,wonderay/pyspider,whosyourban/pyspider,jjyycchh/pyspider,newbiewoo/pyspider,Chenmxs/pyspider,lashwang/pyspider,luotao19861229/pyspider,zhwcoder/pyspider,WQuanfeng/pyspider,luoq/pyspider,zzzzzsh/pyspider,Jaccorot/pyspider,sdeveloper/pyspider,tzq668766/pyspider,tiqiheng/pyspider,zorojean/pyspider,nicozhang/pyspider,Jaccorot/pyspider,zorojean/pyspider,KublaikhanGeek/pyspider,qiulimao/weblocust,wmttom/pyspider,luotao19861229/pyspider,snakeliwei/pyspider,whosyourban/pyspider,gasongjian/pyspider,zhwcoder/pyspider,whosyourban/pyspider,nicozhang/pyspider,xujun10110/pyspider,VDuda/pyspider,littlezz/pyspider,notwin/pyspider,eromoe/pyspider,e-dorigatti/pyspider,xujun10110/pyspider,hexiaochun/pyspider,qiulimao/weblocust,tiqiheng/pyspider,wmttom/pyspider,tiqiheng/pyspider,lashwang/pyspider,newbiewoo/pyspider,yfcydyf/pyspider,luoq/pyspider,xujun10110/pyspider,nicozhang/pyspider,tzq668766/pyspider,wangjun/pyspider,Vietworm/pyspider,binux/pyspider,Jaccorot/pyspider,yfcydyf/pyspider,YelaSeamless/pyspider,xyzoer/pyspider,BuGoNee/pyspider,raven47git/pyspider,fivejjs/pyspider,sharpdeep/pyspider,jjyycchh/pyspider,WenZhuang/pyspider,binux/pyspider,zzzzzsh/pyspider,PIK4/pyspider,ourren/pyspider,xyzoer/pyspider,BuGoNee/pyspider,eromoe/pyspider,xyzoer/pyspider,sdeveloper/pyspider,WQuanfeng/pyspider,eromoe/pyspider,hexiaochun/pyspider,sharpdeep/pyspider,wmttom/pyspider,WenZhuang/pyspider,ourren/pyspider,Chenmxs/pyspider,VDuda/pyspider,WQuanfeng/pyspider,wangjun/pyspider,Vietworm/pyspider,machinewu/pyspider,tzq668766/pyspider,KublaikhanGeek/pyspider