From 82c8d2139574b3865a25260f6f5c7b67a7b8db48 Mon Sep 17 00:00:00 2001
From: rr- <rr-@sakuya.pl>
Date: Wed, 10 Apr 2019 20:09:22 +0200
Subject: [PATCH] ui/curses: fix division by zero

---
 pqcli/ui/curses/widgets/list_box.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pqcli/ui/curses/widgets/list_box.py b/pqcli/ui/curses/widgets/list_box.py
index 867b53d..4a91e9f 100644
--- a/pqcli/ui/curses/widgets/list_box.py
+++ b/pqcli/ui/curses/widgets/list_box.py
@@ -37,7 +37,7 @@ class ListBox(Scrollable):
         del self._items[idx : idx + count]
 
     def select(self, idx: T.Optional[int]) -> None:
-        if idx < 0:
+        if idx < 0 and len(self._items):
             idx %= len(self._items)
         self._selected = idx