FiniteFamily: Simpler solution that makes EnumeratedSets mixins work …

…correctly
sagemath · Jan 7, 2023 · 02ffd0a · 02ffd0a
1 parent e521c9c
commit 02ffd0a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/sage/sets/family.pxd b/src/sage/sets/family.pxd
@@ -3,6 +3,7 @@ from sage.structure.parent cimport Parent
 
 cdef class AbstractFamily(Parent):
     cdef public __custom_name
+    cdef dict __dict__  # enables Python attributes as needed for EnumeratedSets()
 
 
 cdef class FiniteFamily(AbstractFamily):