1 files changed, 9 insertions, 0 deletions
diff --git a/robot/common.py b/robot/common.py
new file mode 100644
index 0000000..bbe3c14
--- /dev/null
+++ b/robot/common.py
@@ -0,0 +1,9 @@
+# coding=utf-8
+
+from server.hints import Hint, HintSequence
+
+hint_type = {
+}
+
+def hint(program, solved_problems):
+    return []