failing test - AttributeError: Cannot set values on a ManyToManyField…

… which specifies an intermediary model.

tests/django_app/models.py

@@ -107,3 +107,17 @@ class Tag(models.Model):
     title = models.CharField(max_length=20)
     customer = models.ForeignKey(Customer, blank=True, null=True)
     messages = models.ManyToManyField(Message, null=True, blank=True)
+
+
+class PointB(models.Model):
+    pass
+
+
+class PointA(models.Model):
+    other = models.ManyToManyField("django_app.PointB",
+                                   through="django_app.Through")
+
+
+class Through(models.Model):
+    pointas = models.ForeignKey(PointA)
+    pointbs = models.ForeignKey(PointB)

tests/test_django.py

@@ -108,6 +108,10 @@ def test_relation(self):
         tag = mixer.blend('django_app.tag', customer=mixer.random)
         self.assertTrue(tag.customer)
 
+    def test_many_to_many_through(self):
+        mixer = Mixer()
+        mixer.blend('django_app.pointa')
+
     def test_default_mixer(self):
         from mixer.backend.django import mixer