nvda

f5ade272 - hwIo.Serial: Add port attribute to fix rare exception in brailliantB braille display driver. (#6257)

hwIo.Serial: Add port attribute to fix rare exception in brailliantB braille display driver. (#6257) serial.Serial has a port attribute and a log message in the brailliantB driver relied on this. hwIo.Serial should have this attribute as well. Originally reported here: https://github.com/nvaccess/nvda/issues/6035#issuecomment-238820787