john123's post in File collision, unable to update was marked as the answer
Thanks Cardinal , that worked like charm .
Renaming those files has solved file-collisions problem.
That should be somewhere in the wiki page.
Whole package:
# equery f eselect-python
* Searching for eselect-python ...
* Contents of app-eselect/eselect-python-20151117-r2:
/etc
/etc/env.d
/etc/env.d/python
/etc/env.d/python/.keep_app-eselect_eselect-python-0
/usr
/usr/bin
/usr/bin/2to3 -> ../lib/python-exec/python-exec2
/usr/bin/idle -> ../lib/python-exec/python-exec2
/usr/bin/pydoc -> ../lib/python-exec/python-exec2
/usr/bin/python
/usr/bin/python-config -> ../lib/python-exec/python-exec2
/usr/bin/python2
/usr/bin/python2-config -> ../lib/python-exec/python-exec2
/usr/bin/python3
/usr/bin/python3-config -> ../lib/python-exec/python-exec2
/usr/bin/pyvenv -> ../lib/python-exec/python-exec2
/usr/share
/usr/share/eselect
/usr/share/eselect/modules
/usr/share/eselect/modules/python.eselect
thanks to all again
