[docs] [issue18743] References to non-existant "StringIO" module

Serhiy Storchaka added the comment: Here is a patch which fixes references to StringIO in docstrings and comments and removes redundant code. ---------- Added file: http://bugs.python.org/file31362/src_StringIO_refs.patch _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue18743> _______________________________________