Risolto errore che impediva il salvataggio in presenza di campi della form

estranei o property dell'admin

admin_confirm/admin.py

@@ -28,6 +28,7 @@ from admin_confirm.constants import (
     CACHE_TIMEOUT,
 )
 from admin_confirm.file_cache import FileCache
+from django.core.exceptions import FieldDoesNotExist
 
 
 class AdminConfirmMixin:
@@ -184,13 +185,18 @@ class AdminConfirmMixin:
         else:
             # Parse the changed data - Note that using form.changed_data would not work because initial is not set
             for name, new_value in form.cleaned_data.items():
-
+                
                 # Since the form considers initial as the value first shown in the form
                 # It could be incorrect when user hits save, and then hits "No, go back to edit"
                 obj.refresh_from_db()
 
-                field_object = model._meta.get_field(name)
-                initial_value = getattr(obj, name)
+                try:
+                    field_object = model._meta.get_field(name)
+                    initial_value = getattr(obj, name)
+                except (AttributeError, FieldDoesNotExist) as e :
+                    print(e)
+                    continue
+                
 
                 # Note: getattr does not work on ManyToManyFields
                 if isinstance(field_object, ManyToManyField):