Python conflict on RPI2

[bob prohaska]

On Sat, Apr 13, 2019 at 04:09:13AM +0200, Jan Beich wrote:
> bob prohaska <fbsd at www.zefox.net> writes:
> 
> > In tinkering with compiling firefox on an RPI2 attempts to use 
> > portmaster fail with
> >
> > ===>   Registering installation for py36-setuptools-40.8.0_1
> > Installing py36-setuptools-40.8.0_1...
> > pkg-static: py36-setuptools-40.8.0_1 conflicts with
> > py27-setuptools-40.8.0 (installs files into the same place).
> > Problematic file: /usr/local/bin/easy_install
> > *** Error code 70
> 
> Reinstall py27-setuptools first. When PYTHON_DEFAULT is changed it
> requires rebuilding USE_PYTHON=concurrent (or USES=uniquefiles)
> consumers in order to make symlinks point to the new default.

Is there any hope of simply replacing python27 with python36? The
goal at hand is merely to compile a working version of firefox.

Thanks for your help!

bob prohaska