Th message "Unable to control recording volume.Test results may be wrong" show up when run audio_test.
Reproduce step:
$ ./audio_test.py
INFO:root:Using PulseAudio identifier 1 (alsa_input.pci-0000_00_1f.3.analog-stereo) for input
INFO:root:Using PulseAudio identifier 0 (alsa_output.pci-0000_00_1f.3.analog-stereo) for output
INFO:root:Player: Starting
INFO:root:Recorder: Starting
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
ERROR:root:Unable to control recording volume.Test results may be wrong
INFO:root:Sampling complete, ending process
INFO:root:Player: Stopping
INFO:root:Recorder: Stopping
INFO:root:FAIL: Test frequency of 5035 is not in one of the bands with magnitude peaks
INFO:root:WARNING: Microphone seems broken, didn'
The issue[1] is introduced by chagne for "bin:*.py: Fix all Flake8 errors". It seems the change is merged and released before it's even tested.
[1] plainbox- provider- checkbox - https:/ /git.launchpad. net/plainbox- provider- checkbox/ commit/ ?id=53a9dace03f ea49a2de030e7cd 1999155637b6ef