Update flask from 0.12.2 to 1.0.2 (#569)
Update flask from 0.12.2 to 1.0.2 (#569)


testbhearsum/balrog,testbhearsum/balrog,mozbhearsum/balrog,testbhearsum/balrog,testbhearsum/balrog,mozbhearsum/balrog,mozbhearsum/balrog,mozbhearsum/balrog