Last time I said it works? I was kidding. Try this.

apps/api/tests/test_legacy.py

@@ -478,7 +478,6 @@ class SeamonkeyFeaturedTest(TestCase):
 
 class TestGuidSearch(TestCase):
     fixtures = ('base/apps', 'base/addon_6113', 'base/addon_3615')
-    x=1
 
     def test_success(self):
         r = make_call('search/guid:{22870005-adef-4c9d-ae36-d0e1f2f27e5a},'

apps/perf/tasks.py

@@ -20,4 +20,4 @@ def update_perf(baseline, perf, **kw):
             slowness = None
         else:
             slowness = sum(deltas) / len(deltas) * 100
-        Addon.objects.filter(pk=addon).update(ts_slowness=None)
+        Addon.objects.filter(pk=addon).update(ts_slowness=slowness)