Non existing conference inside tests, we can leave default to be None.

Bojan Jovanovic · Bojan Jovanovic · commit 64e724e1e4c4 · 2019-03-03T18:06:57.000+01:00
diff --git a/pyconbalkan/conference/abstractions.py b/pyconbalkan/conference/abstractions.py
@@ -6,7 +6,8 @@
 
 
 def _get_default_conference():
-    return Conference.objects.first().id
+    if Conference.objects.exists():
+        return Conference.objects.first().id
 
 
 class AbstractConference(models.Model):
