Use a custom BBB url link, that is not necessary on visio.animath.live

apps/participation/forms.py

@@ -158,7 +158,7 @@ class SolutionForm(forms.ModelForm):
 class PoolForm(forms.ModelForm):
     class Meta:
         model = Pool
-        fields = ('tournament', 'round', 'bbb_code', 'juries',)
+        fields = ('tournament', 'round', 'bbb_url', 'juries',)
         widgets = {
             "juries": forms.CheckboxSelectMultiple,
         }