jepler 676f7aa808 os_listdir: This can be long-running, run background tasks ... While finding sources of clicks and buzzes in nrf i2sout, I identified this site as one which could be long running. Reproducer code was to play a 22.05kHz sample and repeatedly print `os.listdir('')`		2019-09-09 20:14:02 -05:00
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__init__.c	os_listdir: This can be long-running, run background tasks	2019-09-09 20:14:02 -05:00