Skip noticed that the document talks about "setting PythonLauncher as the default application" but doesn't give a clue on how to do this. Refer to Apple Help.
Skip noticed that the document talks about "setting PythonLauncher as the
default application" but doesn't give a clue on how to do this. Refer to
Apple Help.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator