[3.12] gh-111174: Fix crash in getbuffer() called repeatedly for empty BytesIO (GH-111210) #111314
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… BytesIO (pythonGH-111210) (cherry picked from commit 9da98c0) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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(cherry picked from commit 9da98c0)
Co-authored-by: Serhiy Storchaka storchaka@gmail.com
_io.BytesIO.getbuffer(): unshare_buffer: Assertion `self->exports == 0' failed #111174