Python3 package with broken pyvenv

[ricco386]

Default python3 is shipped with the virtual environment but is broken.

[root@test ~]# pkgin in python35 
calculating dependencies... done.

nothing to upgrade.
1 packages to be installed (23M to download, 84M to install):

python35-3.5.2nb1

proceed ? [Y/n] y
downloading packages...
python35-3.5.2nb1.tgz                                                               100%   23MB   7.6MB/s 419.6KB/s   00:03    
installing packages...
installing python35-3.5.2nb1...
pkg_install warnings: 0, errors: 0
reading local summary...
processing local summary...
marking python35-3.5.2nb1 as non auto-removable
[root@test ~]# py
pydoc             pydoc3            python            python2.7         python3           python3.5-config  
pydoc2.7          pydoc3.5          python2           python2.7-config  python3.5         pyvenv-3.5        
[root@test ~]# mkdir test
[root@test ~]# cd test/
[root@test ~/test]# pyvenv-3.5 envs
Error: Command '['/root/test/envs/bin/python3.5', '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit status 1

Seems that problem is somewhere with setuptools. One solution that seems to work is to install py35-expat, so possible bug fix is to add this as a dependency of python3.