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-rw-r--r--prolog/common.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/prolog/common.py b/prolog/common.py
index 654ab81..1ab4522 100644
--- a/prolog/common.py
+++ b/prolog/common.py
@@ -4,6 +4,8 @@ import operator
import prolog.engine
from server.hints import Hint, HintSequence
+id = 1
+
hint_type = {
'no_hint': Hint('no_hint'),
'program_already_correct': Hint('program_already_correct'),