suspect-devices/circuitpython/tests/io/bytesio_ext2.py, branch 2.x CircuitPython - a Python implementation for teaching coding with microcontrollers https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=2.x 2017-08-20T19:02:41+00:00 py/stream: seek: Consistently handle negative offset for SEEK_SET. 2017-08-20T19:02:41+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2017-08-20T18:57:36+00:00 urn:sha1:e3383e9352ca7704e650b07038207719c60b56fb Per POSIX, this is EINVAL, so raises OSError(EINVAL).