You seem to have python3 installed from a PPA which is causing the
upgrade to fail to calculate. Please remove whatever PPA you are using
that provides python3 using the tool ppa-purge from the package ppa-
purge. Thanks and good luck!
Installing python3.6 as Depends of gedit
** Summary changed:
- I have been trying to upgrade from Ubuntu 16 to Ubuntu 17 but I get this
message: Could not determine the upgrade An unresolvable problem occurred
while calculating the upgrade. This can be caused by: * Upgrading to a
pre-release version of Ubuntu * Running the
