Use get_language from shared utils.

multilingual/utils/fields.py

@@ -3,9 +3,10 @@ from __future__ import unicode_literals
 
 from django.conf import settings
 from django.db import models
-from django.utils.translation import get_language
 from django.utils.translation import string_concat
 
+from utils.translation import get_language
+
 
 class TranslatableCharField(models.CharField):
 

requirements.txt

@@ -1,2 +1,3 @@
 Django<2
 python-dateutil
+git+ssh://gogs@projects.c--y.net/erik/django-shared-utils.git#egg=django_shared_utils