[issue12337] Need real TextIOWrapper for stdin/stdout

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

WinXP, 3.2.0
>>> type(sys.stdin)
<class 'idlelib.rpc.RPCProxy'>
>>> sys.stdin.readline()
a
'a\n'

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nosy: +terry.reedy

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12337>
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