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-rw-r--r--prolog/problems/family_relations/sister_2/common.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/prolog/problems/family_relations/sister_2/common.py b/prolog/problems/family_relations/sister_2/common.py
index 46d54f3..0dfdc64 100644
--- a/prolog/problems/family_relations/sister_2/common.py
+++ b/prolog/problems/family_relations/sister_2/common.py
@@ -20,7 +20,7 @@ sister(X, Y) :-
X \== Y.
'''
-hint_defs = {
+hint_type = {
'general_hint': HintSequence('general_hint', 3),
'x_must_be_female': Hint('x_must_be_female'),
'common_parent_needed': Hint('common_parent_needed'),