[docs] [issue21758] Not so correct documentation about asyncio.subprocess_shell method

[STINNER Victor]

STINNER Victor added the comment:

A "string" can be a bytes string or a character string. I modified the documentation to be more explicitly, but IMO it's fine to keep "string" term in unit tests and error messages. You should not get the "string" error message if you pass a bytes or str object.

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resolution: fixed -> 
stage: resolved -> 
status: closed -> open

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<http://bugs.python.org/issue21758>
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