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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 c112a9c..56eba55 100644
--- a/prolog/problems/family_relations/sister_2/common.py
+++ b/prolog/problems/family_relations/sister_2/common.py
@@ -4,7 +4,7 @@ from operator import itemgetter
import socket
import prolog.engine
import prolog.util
-from server.hints import Hint, HintSequence
+from server.hints import Hint
import server.problems
id = 96