Fix build break due to using Python 2.7 API
Fix build break due to using Python 2.7 API

placrosse/ImpalaToGo,rampage644/impala-cut,rampage644/impala-cut,kapilrastogi/Impala,andybab/Impala,lnliuxing/Impala,ImpalaToGo/ImpalaToGo,scalingdata/Impala,AtScaleInc/Impala,brightchen/Impala,rdblue/Impala,theyaa/Impala,ImpalaToGo/ImpalaToGo,scalingdata/Impala,XiaominZhang/Impala,kapilrastogi/Impala,rdblue/Impala,placrosse/ImpalaToGo,ibmsoe/ImpalaPPC,XiaominZhang/Impala,cchanning/Impala,gistic/PublicSpatialImpala,tempbottle/Impala,kapilrastogi/Impala,lnliuxing/Impala,cgvarela/Impala,bowlofstew/Impala,bratatidas9/Impala-1,AtScaleInc/Impala,lnliuxing/Impala,cgvarela/Impala,henryr/Impala,AtScaleInc/Impala,brightchen/Impala,ibmsoe/ImpalaPPC,theyaa/Impala,cloudera/recordservice,lirui-intel/Impala,bratatidas9/Impala-1,cloudera/recordservice,lirui-intel/Impala,lnliuxing/Impala,cloudera/recordservice,grundprinzip/Impala,lnliuxing/Impala,brightchen/Impala,cloudera/recordservice,cchanning/Impala,grundprinzip/Impala,bratatidas9/Impala-1,andybab/Impala,rdblue/Impala,brightchen/Impala,henryr/Impala,lirui-intel/Impala,placrosse/ImpalaToGo,cchanning/Impala,cchanning/Impala,cchanning/Impala,bratatidas9/Impala-1,lirui-intel/Impala,gistic/PublicSpatialImpala,gerashegalov/Impala,lirui-intel/Impala,placrosse/ImpalaToGo,andybab/Impala,XiaominZhang/Impala,cloudera/recordservice,gerashegalov/Impala,gerashegalov/Impala,kapilrastogi/Impala,placrosse/ImpalaToGo,lnliuxing/Impala,andybab/Impala,rdblue/Impala,AtScaleInc/Impala,lirui-intel/Impala,mapr/impala,caseyching/Impala,tempbottle/Impala,theyaa/Impala,gistic/PublicSpatialImpala,ibmsoe/ImpalaPPC,ibmsoe/ImpalaPPC,lirui-intel/Impala,bowlofstew/Impala,XiaominZhang/Impala,rdblue/Impala,cloudera/recordservice,andybab/Impala,caseyching/Impala,bowlofstew/Impala,cgvarela/Impala,mapr/impala,gerashegalov/Impala,cgvarela/Impala,grundprinzip/Impala,ImpalaToGo/ImpalaToGo,bratatidas9/Impala-1,caseyching/Impala,rampage644/impala-cut,caseyching/Impala,theyaa/Impala,ibmsoe/ImpalaPPC,andybab/Impala,caseyching/Impala,caseyching/Impala,tempbottle/Impala,rampage644/impala-cut,XiaominZhang/Impala,cgvarela/Impala,rdblue/Impala,ibmsoe/ImpalaPPC,bowlofstew/Impala,henryr/Impala,theyaa/Impala,scalingdata/Impala,tempbottle/Impala,gerashegalov/Impala,ImpalaToGo/ImpalaToGo,gistic/PublicSpatialImpala,tempbottle/Impala,ibmsoe/ImpalaPPC,cloudera/recordservice,henryr/Impala,tempbottle/Impala,bowlofstew/Impala,lnliuxing/Impala,kapilrastogi/Impala,henryr/Impala,rdblue/Impala,mapr/impala,grundprinzip/Impala,placrosse/ImpalaToGo,scalingdata/Impala,brightchen/Impala,bratatidas9/Impala-1,rampage644/impala-cut,kapilrastogi/Impala,bratatidas9/Impala-1,scalingdata/Impala,grundprinzip/Impala,gistic/PublicSpatialImpala,rampage644/impala-cut,XiaominZhang/Impala,tempbottle/Impala,AtScaleInc/Impala,mapr/impala,brightchen/Impala,henryr/Impala,gistic/PublicSpatialImpala,ImpalaToGo/ImpalaToGo,grundprinzip/Impala,cchanning/Impala,mapr/impala,cgvarela/Impala,bowlofstew/Impala,ImpalaToGo/ImpalaToGo,scalingdata/Impala,cchanning/Impala,gerashegalov/Impala,XiaominZhang/Impala,gerashegalov/Impala,cgvarela/Impala,theyaa/Impala,brightchen/Impala,caseyching/Impala,theyaa/Impala,kapilrastogi/Impala,AtScaleInc/Impala,bowlofstew/Impala