Fix bug in error reporting
Fix bug in error reporting

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