Ticket #9171: 9171-inlineformset_factory-r9082.diff

django/forms/models.py

@@ -528 +528 @@
     if fk.unique:
         max_num = 1
     if exclude is not None:
+        exclude = list(exclude)
         exclude.append(fk.name)
     else:
         exclude = [fk.name]

tests/regressiontests/inline_formsets/models.py

@@ -51 +51 @@
 Exception: <class 'regressiontests.inline_formsets.models.Child'> has no field named 'test'
 
 
+# Regression test for #9171.
+>>> ifs = inlineformset_factory(Parent, Child, exclude=('school',), fk_name='mother')
 """
 }