diff -r 24e1beb8779a -r fd914f897dcf src/eric7/MicroPython/MicroPythonFileManagerWidget.py --- a/src/eric7/MicroPython/MicroPythonFileManagerWidget.py Thu Mar 06 17:44:49 2025 +0100 +++ b/src/eric7/MicroPython/MicroPythonFileManagerWidget.py Sun Mar 09 14:16:35 2025 +0100 @@ -335,6 +335,9 @@ itm.setChildIndicatorPolicy( QTreeWidgetItem.ChildIndicatorPolicy.ShowIndicator ) + else: + self.deviceFileTreeWidget.clear() + self.deviceFileTreeWidget.header().resizeSections( QHeaderView.ResizeMode.ResizeToContents )