Traceback (most recent call last):

 File "C:/Users/xx/services.py", line 21, in <module>
   loop.run_until_complete(print_services(mac_addr, loop))
 File "C:\Users\xx\AppData\Local\Programs\Python\Python37\lib\asyncio\base_events.py", line 584, in run_until_complete
   return future.result()
 File "C:/Users/xx/services.py", line 14, in print_services
   async with BleakClient(mac_addr, loop=loop) as client:
 File "C:\Users\xx\AppData\Roaming\Python\Python37\site-packages\bleak\backends\client.py", line 41, in __aenter__
   await self.connect()
 File "C:\Users\xx\AppData\Roaming\Python\Python37\site-packages\bleak\backends\dotnet\client.py", line 97, in connect
   "Device with address {0} was " "not found.".format(self.address)

bleak.exc.BleakError: Device with address f0:xx:xx:xx:xx:xx was not found.