From 33fe0452b34956ab84d4f30399cecff934435cc5 Mon Sep 17 00:00:00 2001
From: Pavel 'LEdoian' Turinsky <ledoian@matfyz.cz>
Date: Thu, 16 Jan 2020 01:26:46 +0100
Subject: [PATCH] =?UTF-8?q?Models:=20sho=C4=8F=20web,=20pokud=20n=C4=9Bkdo?=
 =?UTF-8?q?=20aktualizuje=20n=C3=A1zev=20obecn=C3=A9mu=20TreeNode?=
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---
 seminar/models.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/seminar/models.py b/seminar/models.py
index e65dcb67..95441384 100644
--- a/seminar/models.py
+++ b/seminar/models.py
@@ -1300,6 +1300,9 @@ class TreeNode(PolymorphicModel):
 		self.aktualizuj_nazev()
 		super().save(*args, **kwargs)
 
+	def aktualizuj_nazev(self):
+		raise NotImplementedError("Pokus o aktualizaci názvu obecného TreeNode místo konkrétní instance")
+
 class RocnikNode(TreeNode):
 	class Meta:
 		db_table = 'seminar_nodes_rocnik'