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-rw-r--r--prolog/problems/clp_r/linear_opt_3/common.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/prolog/problems/clp_r/linear_opt_3/common.py b/prolog/problems/clp_r/linear_opt_3/common.py
index 43b3b08..0f41a8c 100644
--- a/prolog/problems/clp_r/linear_opt_3/common.py
+++ b/prolog/problems/clp_r/linear_opt_3/common.py
@@ -1,5 +1,12 @@
# coding=utf-8
+from operator import itemgetter
+import socket
+
+import prolog.engine
+import prolog.util
+from server.hints import Hint, HintPopup
+
id = 159
number = 63
visible = True