Sherpa 4.9 Release 

Sherpa 4.9 was just released this week. It now runs in Python 2.7 and Python 3.5. There has been minimal testing with Python 3.6. Support for versions 3.3 and 3.4 would require community support.

Check our GitHub page:
https://github.com/sherpa/sherpa/

Jupyter Notebooks are available on the wiki:

https://github.com/sherpa/sherpa/wiki