select newsitem category by default if there is only one

emissions/views.py

@@ -518,6 +518,8 @@ class EmissionNewsItemAdd(CreateView):
         initial['emission'] = Emission.objects.get(slug=self.kwargs.get('emission_slug'))
         initial['date'] = datetime.datetime.today()
         initial['user'] = self.request.user
+        if NewsCategory.objects.all().count() == 1:
+            initial['category'] = NewsCategory.objects.select()[0]
         return initial
 
     def get_context_data(self, **kwargs):