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Importing certain iohub modules failed with the latest psychopy standalone windows installation


As stated in the title, I get importing error even with the iohub demos packaged within:-

Running: D:\Program Files\PsychoPy2\lib\site-packages\psychopy\demos\coder\iohub\ioHubDelayTest\

Traceback (most recent call last):
File “D:\Program Files\PsychoPy2\lib\site-packages\psychopy\demos\coder\iohub\ioHubDelayTest\”, line 21, in
from psychopy.iohub import Computer, ioHubExperimentRuntime, EventConstants
ImportError: cannot import name ioHubExperimentRuntime

EventConstants (and possibly others which I haven’t quite figured out?) also seem to be missing. Any idea if this is just me, or are people getting this as well?