# Pastebin KJuVdqdg
esdentem@venture ..ects/glasgow/glasgow-work-git/software (git)-[master] % glasgow run selftest
I: g.device.hardware: device already has bitstream ID 35fbf71732712d02cac2a6bdacf269f4
I: g.cli: running handler for applet 'selftest'
I: g.applet.internal.selftest: running self-test mode pins-int
I: g.applet.internal.selftest: running self-test mode loopback
Traceback (most recent call last):
  File "/home/esdentem/.local/bin/glasgow", line 11, in <module>
    load_entry_point('glasgow', 'console_scripts', 'glasgow')()
  File "/mnt/venture-data/projects/glasgow/glasgow-work-git/software/glasgow/cli.py", line 708, in main
    exit(loop.run_until_complete(_main()))
  File "/usr/lib/python3.6/asyncio/base_events.py", line 484, in run_until_complete
    return future.result()
  File "/mnt/venture-data/projects/glasgow/glasgow-work-git/software/glasgow/cli.py", line 513, in _main
    await task
  File "/mnt/venture-data/projects/glasgow/glasgow-work-git/software/glasgow/cli.py", line 502, in run_applet
    iface = await applet.run(device, args)
  File "/mnt/venture-data/projects/glasgow/glasgow-work-git/software/glasgow/applet/internal/selftest/__init__.py", line 203, in run
    self, self.mux_interface_1, None)
  File "/mnt/venture-data/projects/glasgow/glasgow-work-git/software/glasgow/access/direct/demultiplexer.py", line 110, in claim_interface
    await self.device.set_pulls(args.port_spec, pull_low, pull_high)
AttributeError: 'NoneType' object has no attribute 'port_spec'
esdentem@venture ..ects/glasgow/glasgow-work-git/software (git)-[master] %