--- a/src/eric7/PdfViewer/PdfToCWidget.py	Tue Apr 16 15:47:11 2024 +0200
+++ b/src/eric7/PdfViewer/PdfToCWidget.py	Sat Apr 20 18:01:36 2024 +0200
@@ -26,11 +26,11 @@
         """
         super().__init__(parent)
 
-    def columnCount(self, index):  # noqa: U100
+    def columnCount(self, _index):
         """
         Public method to define the number of columns to be shown.
 
-        @param index index of the element
+        @param _index index of the element (unused)
         @type QModelIndex
         @return column count (always 2)
         @rtype int