fix up the datetime comparison error caused by timezone.
fix up the datetime comparison error caused by timezone.

"can't compare offset-naive and offset-aware datetimes".

talha131/pelican,jvehent/pelican,TC01/pelican,deanishe/pelican,alexras/pelican,abrahamvarricatt/pelican,lazycoder-ru/pelican,simonjj/pelican,lucasplus/pelican,UdeskDeveloper/pelican,levanhien8/pelican,douglaskastle/pelican,treyhunner/pelican,iurisilvio/pelican,Scheirle/pelican,btnpushnmunky/pelican,btnpushnmunky/pelican,sunzhongwei/pelican,11craft/pelican,ls2uper/pelican,abrahamvarricatt/pelican,GiovanniMoretti/pelican,zackw/pelican,Polyconseil/pelican,lucasplus/pelican,rbarraud/pelican,talha131/pelican,iurisilvio/pelican,Summonee/pelican,garbas/pelican,ingwinlu/pelican,Summonee/pelican,catdog2/pelican,number5/pelican,crmackay/pelican,kernc/pelican,janaurka/git-debug-presentiation,UdeskDeveloper/pelican,jimperio/pelican,51itclub/pelican,ehashman/pelican,alexras/pelican,karlcow/pelican,koobs/pelican,joetboole/pelican,florianjacob/pelican,levanhien8/pelican,HyperGroups/pelican,crmackay/pelican,TC01/pelican,ls2uper/pelican,joetboole/pelican,51itclub/pelican,Summonee/pelican,Rogdham/pelican,Polyconseil/pelican,jvehent/pelican,karlcow/pelican,11craft/pelican,eevee/pelican,avaris/pelican,deved69/pelican-1,farseerfc/pelican,TC01/pelican,douglaskastle/pelican,zackw/pelican,abrahamvarricatt/pelican,UdeskDeveloper/pelican,simonjj/pelican,jimperio/pelican,ingwinlu/pelican,deved69/pelican-1,goerz/pelican,garbas/pelican,kennethlyn/pelican,JeremyMorgan/pelican,jo-tham/pelican,florianjacob/pelican,lucasplus/pelican,koobs/pelican,jo-tham/pelican,douglaskastle/pelican,kernc/pelican,crmackay/pelican,GiovanniMoretti/pelican,btnpushnmunky/pelican,getpelican/pelican,Scheirle/pelican,zackw/pelican,koobs/pelican,ehashman/pelican,ls2uper/pelican,11craft/pelican,number5/pelican,JeremyMorgan/pelican,rbarraud/pelican,HyperGroups/pelican,simonjj/pelican,joetboole/pelican,gymglish/pelican,iKevinY/pelican,Rogdham/pelican,HyperGroups/pelican,iurisilvio/pelican,deanishe/pelican,kennethlyn/pelican,kernc/pelican,51itclub/pelican,levanhien8/pelican,garbas/pelican,gymglish/pelican,sunzhongwei/pelican,treyhunner/pelican,sunzhongwei/pelican,farseerfc/pelican,catdog2/pelican,getpelican/pelican,kennethlyn/pelican,iKevinY/pelican,janaurka/git-debug-presentiation,Scheirle/pelican,jimperio/pelican,lazycoder-ru/pelican,jvehent/pelican,JeremyMorgan/pelican,rbarraud/pelican,gymglish/pelican,janaurka/git-debug-presentiation,eevee/pelican,goerz/pelican,goerz/pelican,number5/pelican,eevee/pelican,lazycoder-ru/pelican,ehashman/pelican,florianjacob/pelican,karlcow/pelican,deved69/pelican-1,alexras/pelican,avaris/pelican,GiovanniMoretti/pelican,catdog2/pelican,Rogdham/pelican,treyhunner/pelican,sunzhongwei/pelican,deanishe/pelican