Github user mars commented on the issue:
https://github.com/apache/incubator-predictionio/pull/401
Yes @BrianOn99, I do believe [class loading for pio-shell is
fixed](https://github.com/apache/incubator-predictionio/blob/develop/bin/pio-shell#L59)
for the next release, or if you `make-distribution.sh` on main `develop`
branch, you'll get these fixes now.---
