Running converter with Python 2.6.x installed gives the following error:
AttributeError: 'module' object has no attribute 'check_output'
After installing Python 2.7.x everything works fine.
This ensures that all tables created during the import belong to `git`.
If you import as a different user, such as the `postgres` superuser, you
may encounter issues where the GitLab database user cannot access tables
in gitlabhq_production, _even if_ `git` is the owner of
gitlabhq_production at the time of import.
William Herry