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-rw-r--r--prolog/parser.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/prolog/parser.py b/prolog/parser.py
index c9f4d86..4e52a35 100644
--- a/prolog/parser.py
+++ b/prolog/parser.py
@@ -180,7 +180,7 @@ def p_error(t):
else:
raise SyntaxError('{}: unexpected {}'.format(t.lexpos, t.value))
-parser = yacc.yacc()
+parser = yacc.yacc(debug=False)
if __name__ == '__main__':
while True: