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- try:
- import uio as io
- except ImportError:
- import io
- a = io.BytesIO(b"foobar")
- try:
- a.seek(-10)
- except Exception as e:
- # CPython throws ValueError, but MicroPython has consistent stream
- # interface, so BytesIO raises the same error as a real file, which
- # is OSError(EINVAL).
- print(type(e), e.args[0] > 0)
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