Fix bug in list_modules if subfolder __dist__ already exists
Fix bug in list_modules if subfolder __dist__ already exists

kikocorreoso/brython,brython-dev/brython,Hasimir/brython,jonathanverner/brython,Hasimir/brython,kikocorreoso/brython,jonathanverner/brython,jonathanverner/brython,Hasimir/brython,jonathanverner/brython,brython-dev/brython,kikocorreoso/brython,brython-dev/brython,Hasimir/brython