Hi..
When running on MacOS using pyusb, I failed to read/write HID interface.
error message is as follows:'Access denies(insufficient permissions)' error.
and libusb provides more information:libusb: error [darwin_claim_interface] 
USBInterfaceOpen: another process has device opened for exclusive access
after doing some search, it seems there is no way to avoid this issue on 
MacOS...Is there any suggestions about this ?
Thanks





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