From 27e5fe02ac2477577e7e5d9b243ee3781771b20f Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Fri, 12 Jun 2026 08:28:56 +0000
Subject: [PATCH] =?UTF-8?q?Hesl=C3=A1=C5=99=20pristupnost:=20p=C5=99esko?=
 =?UTF-8?q?=C4=8Den=C3=AD=20z=C3=A1znam=C5=AF=20bez=20platn=C3=A9ho=20k?=
 =?UTF-8?q?=C3=B3du?=
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Pokud žádný titulek záznamu neprojde filtrem na jednopísmenný kód,
next() vrátil None a do heslar.csv se zapsal prázdný/None kód, který
se mohl dostat do API filtru jako hodnota 'None:or'. Takové záznamy
se nyní přeskakují.
---
 amcr_viewer/amcr_codelists.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/amcr_viewer/amcr_codelists.py b/amcr_viewer/amcr_codelists.py
index 93c0b34..4eb6965 100644
--- a/amcr_viewer/amcr_codelists.py
+++ b/amcr_viewer/amcr_codelists.py
@@ -158,6 +158,11 @@ def fetch_set(internal_name, api_set, task=None):
                             ),
                             None
                         )
+                        # Skip records without a valid one-letter code –
+                        # a None code would end up in the CSV and later
+                        # in the API filter as the string "None"
+                        if not kod:
+                            continue
 
                     dataset.append({
                         'Název': nazev,