[chris@christiane ~]$ pytrainer 

(pytrainer:4445): Gtk-WARNING **: Impossible de trouver le moteur de thème dans module_path : « adwaita »

(pytrainer:4445): Gtk-WARNING **: Impossible de trouver le moteur de thème dans module_path : « adwaita »
running pytrainer from egg installation
data_path: /usr/share/pytrainer/
gettext_path: /usr/share/locale
site_path: /usr/share/lib/python2.7/site-packages
Traceback (most recent call last):
  File "pytrainer", line 96, in <module>
    from pytrainer.main import pyTrainer
  File "/usr/lib/python2.7/site-packages/pytrainer/main.py", line 38, in <module>
    from upgrade.data import initialize_data
  File "/usr/lib/python2.7/site-packages/pytrainer/upgrade/data.py", line 23, in <module>
    from pytrainer.upgrade.migratedb import MigratableDb
  File "/usr/lib/python2.7/site-packages/pytrainer/upgrade/migratedb.py", line 19, in <module>
    from migrate.versioning.api import db_version, upgrade, version, version_control
  File "/usr/lib/python2.7/site-packages/migrate/versioning/api.py", line 33, in <module>
    from migrate.versioning import (repository, schema, version,
  File "/usr/lib/python2.7/site-packages/migrate/versioning/repository.py", line 10, in <module>
    from tempita import Template as TempitaTemplate
  File "/usr/lib/python2.7/site-packages/tempita/__init__.py", line 35, in <module>
    from urllib.parse import quote as url_quote
ImportError: No module named parse