Limit fields to name and description

CHANGELOG.rst

@@ -13,6 +13,7 @@ Fixed
 ~~~~~
 
 * PDF generation failed with S3 storage due to incompatibility with boto3
+* Form for editing group type displayed irrelevant fields
 
 `2.7`_ - 2022-01-24
 -------------------

aleksis/core/forms.py

@@ -353,7 +353,7 @@ class EditGroupTypeForm(forms.ModelForm):
 
     class Meta:
         model = GroupType
-        exclude = []
+        fields = ["name", "description"]
 
 
 class SchoolTermForm(ExtensibleForm):