--- a/eric6/MicroPython/CircuitPythonFirmwareSelectionDialog.py Thu Feb 04 14:35:50 2021 +0100 +++ b/eric6/MicroPython/CircuitPythonFirmwareSelectionDialog.py Thu Feb 04 14:38:01 2021 +0100 @@ -142,7 +142,8 @@ if volumeName and volumeName != self.__manualMarker: # check if the user selected a board and the board is in # bootloader mode - deviceDirectories = Utilities.findVolume(volumeName, all=True) + deviceDirectories = Utilities.findVolume(volumeName, + findAll=True) if len(deviceDirectories) > 1: enable = False E5MessageBox.warning(