Media Summary: the fix is sudo chown -R dennis:dennis /home/dennis/ipython
Bug Report Auto Save Fails - Detailed Analysis & Overview
the fix is sudo chown -R dennis:dennis /home/dennis/ipython
bug report auto save fails in Ipython 2 (user error/ fix in desc)
https://github.com/ipython/ipython/issues/5735 the fix is sudo chown -R dennis:dennis /home/dennis/ipython