From e1da680972b51072ea5188319a43e500eb372ee5 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@araneo.org>
Date: Wed, 23 Sep 2015 12:09:08 +0200
Subject: Add missing imports for Prolog problems

---
 prolog/problems/family_relations/ancestor_2/common.py   | 7 +++++++
 prolog/problems/family_relations/aunt_2/common.py       | 7 +++++++
 prolog/problems/family_relations/cousin_2/common.py     | 7 +++++++
 prolog/problems/family_relations/descendant_2/common.py | 7 +++++++
 4 files changed, 28 insertions(+)

diff --git a/prolog/problems/family_relations/ancestor_2/common.py b/prolog/problems/family_relations/ancestor_2/common.py
index 873b87b..3226f34 100644
--- a/prolog/problems/family_relations/ancestor_2/common.py
+++ b/prolog/problems/family_relations/ancestor_2/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, HintSequence
+import server.problems
+
 id = 100
 group = 'family_relations'
 number = 7
diff --git a/prolog/problems/family_relations/aunt_2/common.py b/prolog/problems/family_relations/aunt_2/common.py
index ed291fc..2aeba9d 100644
--- a/prolog/problems/family_relations/aunt_2/common.py
+++ b/prolog/problems/family_relations/aunt_2/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, HintSequence
+import server.problems
+
 id = 98
 group = 'family_relations'
 number = 5
diff --git a/prolog/problems/family_relations/cousin_2/common.py b/prolog/problems/family_relations/cousin_2/common.py
index d95babd..cd5cd38 100644
--- a/prolog/problems/family_relations/cousin_2/common.py
+++ b/prolog/problems/family_relations/cousin_2/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, HintSequence
+import server.problems
+
 id = 99
 group = 'family_relations'
 number = 6
diff --git a/prolog/problems/family_relations/descendant_2/common.py b/prolog/problems/family_relations/descendant_2/common.py
index 9032612..21de450 100644
--- a/prolog/problems/family_relations/descendant_2/common.py
+++ b/prolog/problems/family_relations/descendant_2/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, HintSequence
+import server.problems
+
 id = 101
 group = 'family_relations'
 number = 8
-- 
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