Diff of Python/Version

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• The deleted line is THIS COLOR.
• Go to Python/Version.

* sys.version_info [#o7ad6fdd]

 % python2 -c "import sys; print(sys.version_info.major)"
 2
 % python3 -c "import sys; print(sys.version_info.major)"
 3

*. [#bb75489f]

- [[six.PY2]]