Hello,
I would like to call to your attention the following behavior of TextIOWrapper:
import io
def test(buf):
textio = io.TextIOWrapper(buf)
buf = io.BytesIO()
test(buf)
print(buf.closed) # This prints True currently
The problem here is TextIOWrapper closes its buffer when deleted.
BufferedRWPair behalves similarly. The solution is simply to override
the __del__ method of TextIOWrapper inherited from IOBase.
-- Alexandre
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