summaryrefslogtreecommitdiff
path: root/prolog/problems/family_relations/sister_2
diff options
context:
space:
mode:
Diffstat (limited to 'prolog/problems/family_relations/sister_2')
-rw-r--r--prolog/problems/family_relations/sister_2/common.py3
1 files changed, 0 insertions, 3 deletions
diff --git a/prolog/problems/family_relations/sister_2/common.py b/prolog/problems/family_relations/sister_2/common.py
index b09b29a..6a1a745 100644
--- a/prolog/problems/family_relations/sister_2/common.py
+++ b/prolog/problems/family_relations/sister_2/common.py
@@ -95,11 +95,8 @@ def hint(program, solved_problems):
server.problems.solutions_for_problems('prolog', solved_problems) + '\n' +
server.problems.load_facts('prolog', facts).facts)
- engine_id = None
try:
engine_id, output = prolog.engine.create(code=code, timeout=1.0)
- if not engine_id:
- raise Exception('Prolog engine failed to create.')
# X must be female
if prolog.engine.ask_truth(engine_id, 'male(X), sister(X, _)'):