root@noc:/opt/noc#  ./scripts/upgrade
Set up configuration files
Creating required directories
Checking virtualenv
Pulling repo https://bitbucket.org/nocproject/noc
pulling from https://bitbucket.org/nocproject/noc
searching for changes
no changes found
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
Upgrading PIP
Traceback (most recent call last):
  File "./bin/pip", line 5, in <module>
    from pkg_resources import load_entry_point
ImportError: No module named pkg_resources
Updating python libraries
Traceback (most recent call last):
  File "./bin/pip", line 5, in <module>
    from pkg_resources import load_entry_point
ImportError: No module named pkg_resources
upgrade: : Cannot update python libraries
Terminating