Unable to run MoveHub() in multiple environments about pylgbst HOT 4 CLOSED

python3 demo.py 
22	INFO	root	Trying get_connection_bluepy
23	INFO	root	Trying get_connection_bluegiga
24	INFO	root	Trying get_connection_gatt
25	INFO	root	Trying get_connection_bleak
288	INFO	comms-bleak	Discovering devices... Press green button on Hub
10491	WARNING	hub	Got only these devices: (None, None, None, None, None, None, None)
Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/local/Cellar/[email protected]/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/threading.py", line 954, in _bootstrap_inner
    self.run()
  File "/usr/local/Cellar/[email protected]/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/threading.py", line 892, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/pylgbst/comms/cbleak.py", line 50, in <lambda>
    self._connection_thread = threading.Thread(target=lambda: asyncio.run(self._bleak_thread()))
  File "/usr/local/Cellar/[email protected]/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "/usr/local/Cellar/[email protected]/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/base_events.py", line 642, in run_until_complete
    return future.result()
  File "/usr/local/lib/python3.9/site-packages/pylgbst/comms/cbleak.py", line 60, in _bleak_thread
    await bleak.connect(self.hub_mac, self.hub_name)
  File "/usr/local/lib/python3.9/site-packages/pylgbst/comms/cbleak.py", line 157, in connect
    raise ConnectionError('Device not found.')
ConnectionError: Device not found.

python demo.py 
Traceback (most recent call last):
  File "demo.py", line 5, in <module>
    from pylgbst import *
ImportError: No module named pylgbst