A.M. Kuchling added the comment:
I've looked through the matches. "I/O" and the -I command-line switch are false positives. Many references in the FAQ ("How do I do X?"), but those don't need to be fixed.
I think personalized references are most problematic when they're expressing uncertainty ("I don't know if we implement all of the spec") or opinions. Sentences like "When I run this command under Linux, I see..." could be rewritten as "When you run this command...", but they don't seem worth fixing to me.
Files with personalized text are:
c-api/exceptions.rst c-api/long.rst distutils/builtdist.rst extending/extending.rst install/index.rst library/audioop.rst library/ctypes.rst library/doctest.rst library/heapq.rst library/imaplib.rst library/numbers.rst library/ossaudiodev.rst library/unittest.mock-examples.rst library/unittest.mock.rst reference/introduction.rst tutorial/classes.rst