pypxe/tftp.py: set select timeout to 1 to reduce CPU usage (#129)
pypxe/tftp.py: set select timeout to 1 to reduce CPU usage (#129)

The TFTP server needlessly loops on the select call due to the zero
timeout value. Set timeout to 1s to conserve CPU while still allowing
re-transmission in case an ACK is lost.

Signed-off-by: Jerome Forissier <ced78d268b4c9a0a20a59a9feeebd2ad90da03d3@linaro.org>
psychomario/PyPXE