fix: make userId in ProfileSerializer not required

program/serializers.py

@@ -83,7 +83,9 @@ class ErrorSerializer(serializers.Serializer):
 
 
 class ProfileSerializer(serializers.ModelSerializer):
-    user_id = serializers.PrimaryKeyRelatedField(queryset=User.objects.all(), source="user")
+    user_id = serializers.PrimaryKeyRelatedField(
+        queryset=User.objects.all(), required=False, source="user"
+    )
 
     class Meta:
         model = UserProfile