Nodejs/NPM don't work well yet with python 3. Here's how to solve it.
wget --no-check-certificate https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tgz
tar -xzf Python-2.7.11.tgz
cd Python-2.7.11
./configure
make
sudo make instalnpm config set python <python exe path here>