Minor cleaning in make_dist.py
Minor cleaning in make_dist.py

rubyinhell/brython,rubyinhell/brython,molebot/brython,Mozhuowen/brython,Lh4cKg/brython,firmlyjin/brython,kevinmel2000/brython,Isendir/brython,Lh4cKg/brython,kikocorreoso/brython,Isendir/brython,rubyinhell/brython,kevinmel2000/brython,jonathanverner/brython,Mozhuowen/brython,firmlyjin/brython,amrdraz/brython,molebot/brython,amrdraz/brython,kevinmel2000/brython,JohnDenker/brython,Mozhuowen/brython,JohnDenker/brython,rubyinhell/brython,olemis/brython,Isendir/brython,firmlyjin/brython,olemis/brython,olemis/brython,molebot/brython,Hasimir/brython,Mozhuowen/brython,JohnDenker/brython,jonathanverner/brython,molebot/brython,Hasimir/brython,amrdraz/brython,jonathanverner/brython,brython-dev/brython,kikocorreoso/brython,Lh4cKg/brython,brython-dev/brython,firmlyjin/brython,Isendir/brython,amrdraz/brython,brython-dev/brython,jonathanverner/brython,Hasimir/brython,JohnDenker/brython,kevinmel2000/brython,firmlyjin/brython,kikocorreoso/brython,Lh4cKg/brython,olemis/brython,Hasimir/brython