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(major=3, minor=6, micro=3, releaselevel='final', serial=0) looks too verbose. And this is not a valid Python syntax. If you want to expose repr(sys.version_info), you should add sys.version_info at the start and make it yet more verbose.

The current writing looks better to me. This is a tuple of version_info components. It is common to compare version_info with a tuple.

if sys.version_info < (3, 7):
    ...