From da3a74f45c713cda929f391f13e4295e9735a896 Mon Sep 17 00:00:00 2001
From: payno <henri.payno@esrf.fr>
Date: Thu, 31 Oct 2024 13:27:11 +0100
Subject: [PATCH] silx.gui.plot.ImageStack: fix initialization of
 '_urlIndexes'. Should always be a dict

---
 src/silx/gui/plot/ImageStack.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/silx/gui/plot/ImageStack.py b/src/silx/gui/plot/ImageStack.py
index 175d6e438d..6ca82955be 100644
--- a/src/silx/gui/plot/ImageStack.py
+++ b/src/silx/gui/plot/ImageStack.py
@@ -242,7 +242,7 @@ def reset(self) -> None:
         """Clear the plot and remove any link to url"""
         self._freeLoadingThreads()
         self._urls = None
-        self._urlIndexes = None
+        self._urlIndexes = {}
         self._urlData = {}
         self._current_url = None
         self._plot.clear()