Revert to original, Math.hypot is not supported on PhantomJS.
Revert to original, Math.hypot is not supported on PhantomJS.

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