diff -r 4acdf7c7101d -r cef9b7dfc997 src/eric7/WebBrowser/QtHelp/QtHelpDocumentationSettings.py
--- a/src/eric7/WebBrowser/QtHelp/QtHelpDocumentationSettings.py Sat Jan 07 16:23:59 2023 +0100
+++ b/src/eric7/WebBrowser/QtHelp/QtHelpDocumentationSettings.py Sat Jan 07 16:59:19 2023 +0100
@@ -9,6 +9,7 @@
"""
import collections
+import contextlib
import copy
from PyQt6.QtHelp import QCompressedHelpInfo
@@ -91,7 +92,8 @@
del self._namespaceToComponent[namespace]
del self._namespaceToVersion[namespace]
del self._namespaceToFilename[namespace]
- del self._filenameToNamespace[filename]
+ with contextlib.suppress(KeyError):
+ del self._filenameToNamespace[filename]
self._componentToNamespace[component].remove(namespace)
if len(self._componentToNamespace[component]) == 0:
del self._componentToNamespace[component]
