revert a faulty change that caused memory usage to explode #537

src/documents/tests/test_tasks.py

@@ -52,7 +52,6 @@ class TestTasks(DirectoriesMixin, TestCase):
         load_classifier.assert_called_once()
         self.assertFalse(os.path.isfile(settings.MODEL_FILE))
 
-    @override_settings(CACHES={'default': {'BACKEND': 'django.core.cache.backends.dummy.DummyCache'}})
     def test_train_classifier(self):
         c = Correspondent.objects.create(matching_algorithm=Tag.MATCH_AUTO, name="test")
         doc = Document.objects.create(correspondent=c, content="test", title="test")