diff -r 3fefc0c430f2 -r fc1ae39af8c9 eric6/QScintilla/MiniEditor.py
--- a/eric6/QScintilla/MiniEditor.py Thu Mar 04 17:43:11 2021 +0100
+++ b/eric6/QScintilla/MiniEditor.py Thu Mar 04 17:44:41 2021 +0100
@@ -765,7 +765,11 @@
####################################################################
self.esm = QSignalMapper(self)
- self.esm.mapped[int].connect(self.__textEdit.editorCommand)
+ try:
+ self.esm.mappedInt.connect(self.__textEdit.editorCommand)
+ except AttributeError:
+ # pre Qt 5.15
+ self.esm.mapped[int].connect(self.__textEdit.editorCommand)
self.editorActGrp = createActionGroup(self)
