Don't force python2 for subunit2sql install on workers
We gate on python3.5 for subunit2sql, we should allow our DIB install
to use it.
@@ -27,7 +27,7 @@ TEMPEST_DIR=/opt/git/openstack/tempest
sudo virtualenv /opt/git/subunit2sql-env
sudo -H /opt/git/subunit2sql-env/bin/pip install -U subunit2sql testrepository PyMySQL
-sudo env PATH=/opt/git/subunit2sql-env/bin:$PATH /opt/git/subunit2sql-env/bin/python2 /opt/nodepool-scripts/prepare_tempest_testrepository.py $TEMPEST_DIR
+sudo env PATH=/opt/git/subunit2sql-env/bin:$PATH /opt/git/subunit2sql-env/bin/python /opt/nodepool-scripts/prepare_tempest_testrepository.py $TEMPEST_DIR
sudo chown -R jenkins:jenkins $TEMPEST_DIR/preseed-streams
