(In Easy Annotate or Skitch, the
original file is not written over unless you manually overwrite the file through the «Open In...» dialog (which would be difficult because you would have to change the
filename, too).
Please note, however, that regardless of which method you use it is important to leave the
original python.exe intact as the applications in the / scripts / subdirectory for both versions of Python rely on that
filename and will fail if it is missing.