How to install pyYAML on windows 10
Download the wheel from http://www.lfd.uci.edu/~gohlke/pythonlibs/#pyyaml that suits your need (Python version, 32/64 bit).
$ pip3 install PyYAML-3.11-cp35-none-win32.whl
Download the wheel from http://www.lfd.uci.edu/~gohlke/pythonlibs/#pyyaml that suits your need (Python version, 32/64 bit).
$ pip3 install PyYAML-3.11-cp35-none-win32.whl