Very important to us in the scientific community! Just add "`use_enable python`" to the configure switches. :) Reproducible: Always Steps to Reproduce:
My apologies -- PyROOT was committed to ROOT _after_ the release of 3.10.02. It is under active development, so it might be best to wait for ROOT 4.0.x rather than backporting. I am resolving this bug, and will resubmit if necessary when 4.0.x is released.