2 files changed, 5 insertions, 5 deletions
diff --git a/db.py b/db.py
index 678225e..80a8c95 100644
--- a/db.py
+++ b/db.py
@@ -22,6 +22,10 @@ from django.db.models.sql.query import Query
 from django.db.models.sql.where import WhereNode
 
 
+class ExtractWeek(Extract):
+    lookup_name = "week"
+
+
 class GroupedCompiler(SQLCompiler):
     def get_group_by(self, select, order_by):
         result = super(GroupedCompiler, self).get_group_by(select, order_by)
diff --git a/models.py b/models.py
index 0d3f2c0..6d395e0 100644
--- a/models.py
+++ b/models.py
@@ -20,16 +20,12 @@ from django.db.models.expressions import RawSQL
 from django.db.models.functions import Extract, ExtractYear
 from django.utils.text import slugify
 
-from .db import GroupedManager
+from .db import ExtractWeek, GroupedManager
 
 import hashlib
 import os
 
 
-class ExtractWeek(Extract):
-    lookup_name = "week"
-
-
 class Timetable(models.Model):
     name = models.CharField(max_length=64, unique=True, verbose_name="nom")
     url = models.URLField(max_length=255, unique=True, verbose_name="URL")