From ac0c616e1314e8208083864c392c9fb19c134b79 Mon Sep 17 00:00:00 2001
From: Pavel 'LEdoian' Turinsky <ledoian@matfyz.cz>
Date: Thu, 19 Mar 2020 00:37:08 +0100
Subject: [PATCH] =?UTF-8?q?Treelib:=20obecn=C3=BD=20swap=20implementovat?=
 =?UTF-8?q?=20nebudu.?=
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Moc edge-cases.
---
 seminar/treelib.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/seminar/treelib.py b/seminar/treelib.py
index 0f21454c..f890868b 100644
--- a/seminar/treelib.py
+++ b/seminar/treelib.py
@@ -179,7 +179,7 @@ def create_node_before(some, arguments, but, i, dont, know, which, yet):
 
 # ValueError, pokud je (aspoň) jeden parametr None
 def swap(node, other):
-	pass
+	raise NotImplementedError("YAGNI (You aren't gonna need it).")
 
 def swap_pred(node):
 	pass