Fix flask issue #338
Fix flask issue #338

Give POST its own url_rule to avoid TypeError.

ryandvill/flask,rawrgulmuffins/flask,Ricardo666666/flask,jeezybrick/flask,dawran6/flask,fevxie/flask,lynget/flask,lyn233/flask,erishforG/flask,artleaf/flask,oculardexterity/flask,liukaijv/flask,homeworkprod/flask,tangfeng1/flask,grayswand1r/flask,liaoqingwei/flask,wilbert-abreu/flask,fanshaohua-fan/flask,RohithKP/flask,mAzurkovic/flask,anujk3/flask,felipefuka/flask,jorpramo/flask,VShangxiao/flask,zoyanhui/flask,moluzhang/flask,skmezanul/flask,Ricardo666666/flask,aniketshukla/flask,ryandvill/flask,wklken/flask,gbolahanalade/flask,theo-l/flask,luzzyzhang/flask,algoStruct/flask,ankurpandey/flask,erishforG/flask,drewja/flask,hyunchel/flask,WSDC-NITWarangal/flask,mysweet/flask,szymonm/flask,chenke91/flask,SsangYoon/Flask,homeworkprod/flask,abdulbaqi/flask,SsangYoon/Flask,karen-wang/flask,sgrepo/flask,bodefuwa/flask,rawrgulmuffins/flask,wtl-zju/flask,EasonYi/flask,wldtyp/flask,flamelizard/flask,Eagles2F/flask,godfreyy/flask,q1ang/flask,sixpi/flask,wangjun/flask,Endika/flask,JamesTFarrington/flask,lord63-forks/flask,postelin/flask,WSDC-NITWarangal/flask,vishnugonela/flask,alexwidener/flask,Faiz7412/flask,bluedazzle/flask,jiimaho/flask,wtorcasoGB/flask,ankurpandey/flask,pallets/flask,ryandvill/flask,tripathi62674/flask,Freebird2014/flask,TylerB24890/flask,warm200/flask,wtl-zju/flask,vishnugonela/flask,nju520/flask,niima/flask,nwags/flask,drewja/flask,artleaf/flask,GavinCruise/flask,edcomstock/flask,edcomstock/flask,LonglyCode/flask,margguo/flask,lynget/flask,kuhli/flask,justanr/flask,gilesburnfield/flask,gangeshwark/flask,arvinls/flask,treedledee/flask,visaxin/flask,fkazimierczak/flask,TylerB24890/flask,oculardexterity/flask,Ricardo666666/flask,algoStruct/flask,GavinCruise/flask,karen-wang/flask,cgvarela/flask,luvten/flask,brianbeale/flask,jstacoder/flask,XGiton/flask,kuku940/flask,beni55/flask,mrdon/flask,adrianmoisey/cptdevops,HeyItsAlan/flask,gangeshwark/flask,sam-tsai/flask,ZacariasBendeck/flask,chenrenyi/flask,postelin/flask,wilbert-abreu/flask,happyspace/flask,wklken/flask,alanhamlett/flask,flabe81/flask,stephaniemertz/flask,JingZhou0404/flask,justanr/flask,wangjun/flask,DesQi/flask,nZac/flask,ezequielo/flask,auready/flask,happyspace/flask,mitsuhiko/flask,HeyItsAlan/flask,kuku940/flask,hyunchel/flask,raven47git/flask,ffsdmad/flask,garaden/flask,jiimaho/flask,visaxin/flask,nju520/flask,onetinyr/flask,hoatle/flask,blankme/flask,LonglyCode/flask,adrianmoisey/cptdevops,vishnugonela/flask,AndreaEdwards/flask,s7v7nislands/flask,ghhong1986/flask,tristanfisher/flask,grayswand1r/flask,bluedazzle/flask,godfreyy/flask,onetinyr/flask,Eagles2F/flask,suppandi/flask,EasonYi/flask,zailushangde/flask,jonieli/flask,DesQi/flask,fengsp/flask,AndreaEdwards/flask,bodefuwa/flask,jenalgit/flask,liaoqingwei/flask,jenalgit/flask,treedledee/flask,antsar/flask,pallets/flask,JamesTFarrington/flask,aniketshukla/flask,Parkayun/flask,jawed123/flask,pinkpet/flask,lord63-forks/flask,dhruvsrivastava/flask,mitsuhiko/flask,justanr/flask,felipefuka/flask,horica-ionescu/flask,fevxie/flask,chuijiaolianying/flask,tripathi62674/flask,huwenhui/flask,ZacariasBendeck/flask,suppandi/flask,robertglen/flask,mAzurkovic/flask,visaxin/flask,Papa2k15/flask,wudafucode/flask,Faiz7412/flask,postelin/flask,xujianhai/flask,Parkayun/flask,mujiatong/flask,VictorChaun/flask,wklken/flask,nZac/flask,jorpramo/flask,tangfeng1/flask,fanshaohua-fan/flask,garaden/flask,wudafucode/flask,oculardexterity/flask,karlw00t/flask,raven47git/flask,mujiatong/flask,tcnoviembre2013/flask,AvivC/flask,dominjune/flask,qinfengsuiyu/flask,fengsp/flask,blankme/flask,Faiz7412/flask,elelianghh/flask,EasonYi/flask,AvivC/flask,qinfengsuiyu/flask,luvten/flask,nju520/flask,antsar/flask,arvinls/flask,margguo/flask,mrdon/flask,VShangxiao/flask,godfreyy/flask,sonnyhu/flask,vivekanand1101/flask,ankravch/flask,lalinsky/flask,iamantee/flask,theo-l/flask,sam-tsai/flask,huwenhui/flask,fkazimierczak/flask,JingZhou0404/flask,tony/flask,onetinyr/flask,gangeshwark/flask,suppandi/flask,vivekanand1101/flask,warm200/flask,xiaoshaozi52/flask,jorpramo/flask,skmezanul/flask,ghhong1986/flask,jonatanblue/flask,liuyi1112/flask,s7v7nislands/flask,sage417/flask,algoStruct/flask,sgrepo/flask,jonatanblue/flask,MjAbuz/flask,ffsdmad/flask,rollingstone/flask,flabe81/flask,anujk3/flask,chuijiaolianying/flask,AndreaEdwards/flask,happyspace/flask,GavinCruise/flask,q1ang/flask,niima/flask,ABaldwinHunter/flask-clone-classic,karen-wang/flask,tangfeng1/flask,rollingstone/flask,dawran6/flask,kyle-sorensen/flask,cgvarela/flask,ABaldwinHunter/flask-clone-classic,cheesecake4392/flask,zoyanhui/flask,jstacoder/flask,wtorcasoGB/flask,ezequielo/flask,tristanfisher/flask,cliu-aa/flask,chenke91/flask,cheesecake4392/flask,moluzhang/flask,mitchfriedman/flask,chuijiaolianying/flask,kyle-sorensen/flask,cliu-aa/flask,flamelizard/flask,pinkpet/flask,dhruvsrivastava/flask,ankurpandey/flask,liuyi1112/flask,mrdon/flask,szymonm/flask,jonieli/flask,pxzhenren/flask,MjAbuz/flask,gilesburnfield/flask,elelianghh/flask,jeezybrick/flask,tjxiter/flask,lalinsky/flask,Endika/flask,jawed123/flask,raven47git/flask,auready/flask,jonieli/flask,sonnyhu/flask,szymonm/flask,VictorChaun/flask,liukaijv/flask,artleaf/flask,pledo/flask,jstacoder/flask,kyle-sorensen/flask,xujianhai/flask,gbolahanalade/flask,tony/flask,robertglen/flask,VictorChaun/flask,brianbeale/flask,gaomingnudt/gm-flask2.0,ezequielo/flask,mrdon/flask,chenke91/flask,TylerB24890/flask,pledo/flask,RohithKP/flask,nwags/flask,gaomingnudt/gm-flask2.0,s7v7nislands/flask,mysweet/flask,Freebird2014/flask,beni55/flask,pxzhenren/flask,drewja/flask,wldtyp/flask,jenalgit/flask,liaoqingwei/flask,XGiton/flask,VShangxiao/flask,luzzyzhang/flask,sixpi/flask,chenrenyi/flask,liuyi1112/flask,kuhli/flask,lyn233/flask,pallets/flask,abdulbaqi/flask,alanhamlett/flask,ankravch/flask,hoatle/flask,sage417/flask,Papa2k15/flask,SsangYoon/Flask,stephaniemertz/flask,alexwidener/flask,warm200/flask,tcnoviembre2013/flask,iamantee/flask,mitchfriedman/flask,fkazimierczak/flask,xiaoshaozi52/flask,alanhamlett/flask,horica-ionescu/flask,zailushangde/flask,anujk3/flask,karlw00t/flask,tjxiter/flask,dominjune/flask