SUJET :

./launch_lucterios.sh update

Operations to perform:
  Apply all migrations: CORE, accounting, admin, auth, condominium, contacts, contenttypes, documents, framework, mailing, payoff, sessions, syndic
Running migrations:
  No migrations to apply.
  Your models have changes that are not yet reflected in a migration, and so won't be applied.
  Run 'manage.py makemigrations' to make new migrations, and then re-run 'manage.py migrate' to apply them.
check parameters
Refresh copro

python manage_copro.py makemigrations

Traceback (most recent call last):
  File "manage_copro.py", line 7, in <module>
    from django.core.management import execute_from_command_line
ImportError: No module named django.core.management