Fixed email address in Python build file.
Fixed email address in Python build file.

Review: https://reviews.apache.org/r/45038/

kaysoky/mesos,verizonlabs/mesos,Gilbert88/mesos,andschwa/mesos,craimbert/mesos,yuquanshan/customizedMesos,chhsia0/mesos,andschwa/mesos,neilconway/mesos,zmalik/mesos,abudnik/mesos,Aman-Jain-14/customizedMesos,craimbert/mesos,Gilbert88/mesos,zmalik/mesos,chhsia0/mesos,asamerh4/mesos,yuquanshan/customizedMesos,reneploetz/mesos,zmalik/mesos,jpeach/mesos,gsantovena/mesos,gsantovena/mesos,asamerh4/mesos,yuquanshan/customizedMesos,verizonlabs/mesos,Aman-Jain-14/customizedMesos,chhsia0/mesos,chhsia0/mesos,andschwa/mesos,jpeach/mesos,gsantovena/mesos,abudnik/mesos,jpeach/mesos,kaysoky/mesos,kaysoky/mesos,neilconway/mesos,zmalik/mesos,Gilbert88/mesos,neilconway/mesos,zmalik/mesos,reneploetz/mesos,zmalik/mesos,verizonlabs/mesos,yuquanshan/customizedMesos,gsantovena/mesos,abudnik/mesos,abudnik/mesos,Aman-Jain-14/customizedMesos,craimbert/mesos,asamerh4/mesos,Aman-Jain-14/customizedMesos,abudnik/mesos,dforsyth/mesos,craimbert/mesos,asamerh4/mesos,verizonlabs/mesos,jpeach/mesos,asamerh4/mesos,verizonlabs/mesos,dforsyth/mesos,reneploetz/mesos,Gilbert88/mesos,andschwa/mesos,craimbert/mesos,chhsia0/mesos,zmalik/mesos,Aman-Jain-14/customizedMesos,neilconway/mesos,andschwa/mesos,Gilbert88/mesos,yuquanshan/customizedMesos,craimbert/mesos,gsantovena/mesos,yuquanshan/customizedMesos,verizonlabs/mesos,chhsia0/mesos,kaysoky/mesos,reneploetz/mesos,dforsyth/mesos,reneploetz/mesos,reneploetz/mesos,gsantovena/mesos,asamerh4/mesos,neilconway/mesos,craimbert/mesos,dforsyth/mesos,abudnik/mesos,jpeach/mesos,jpeach/mesos,andschwa/mesos,abudnik/mesos,chhsia0/mesos,yuquanshan/customizedMesos,neilconway/mesos,kaysoky/mesos,kaysoky/mesos,reneploetz/mesos,Gilbert88/mesos,jpeach/mesos,Gilbert88/mesos,Aman-Jain-14/customizedMesos,andschwa/mesos,gsantovena/mesos,Aman-Jain-14/customizedMesos,dforsyth/mesos,neilconway/mesos,dforsyth/mesos,dforsyth/mesos,kaysoky/mesos,verizonlabs/mesos,asamerh4/mesos