I fixed the errors and lazily silenced the 'bare-except'.
boards/opencm904/dist/robotis-loader.py:85:1: E722 do not use bare except'
boards/opencm904/dist/robotis-loader.py:91:1: E722 do not use bare except'
boards/opencm904/dist/robotis-loader.py:101:16: E703 statement ends with a semicolon
boards/opencm904/dist/robotis-loader.py:60:1: E265 block comment should start with '# '
boards/opencm904/dist/robotis-loader.py:62:1: E265 block comment should start with '# '