From 6abb05d07463c2e35153660eb53cd5716cde925d Mon Sep 17 00:00:00 2001
From: RumovZ <gp5glkw78@relay.firefox.com>
Date: Tue, 6 Apr 2021 23:02:58 +0200
Subject: [PATCH] Save key for unsupported add-on columns

---
 qt/aqt/table.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/qt/aqt/table.py b/qt/aqt/table.py
index 173b3666d..dafa69819 100644
--- a/qt/aqt/table.py
+++ b/qt/aqt/table.py
@@ -551,7 +551,7 @@ class ItemState(ABC):
         try:
             return self._columns[key]
         except KeyError:
-            self._columns[key] = Column()
+            self._columns[key] = Column(key)
             return self._columns[key]
 
     # Columns and sorting
@@ -771,7 +771,7 @@ class NoteState(ItemState):
 
 @dataclass
 class Column:
-    key: str = None
+    key: str
     label: str = field(default_factory=tr.browsing_addon)
     is_sortable: bool = False
     sorts_reversed: bool = False