@@ -359,7 +359,7 @@ def _bgScanBluetooth(
359359 """
360360 if not bluetooth :
361361 return
362- btDevs : Optional [Iterable [Tuple [str , DeviceMatch ]]] = _DeviceInfoFetcher .btDevsCache
362+ btDevs : Optional [Iterable [Tuple [str , DeviceMatch ]]] = deviceInfoFetcher .btDevsCache
363363 if btDevs is None :
364364 btDevs = getDriversForPossibleBluetoothDevices ()
365365 # Cache Bluetooth devices for next time.
@@ -373,7 +373,7 @@ def _bgScanBluetooth(
373373 btDevsCache .append ((driver , match ))
374374 yield (driver , match )
375375 if btDevsCache is not btDevs :
376- _DeviceInfoFetcher .btDevsCache = btDevsCache
376+ deviceInfoFetcher .btDevsCache = btDevsCache
377377
378378 def _bgScan (
379379 self ,
@@ -420,7 +420,7 @@ def rescan(
420420 """
421421 self ._stopBgScan ()
422422 # Clear the cache of bluetooth devices so new devices can be picked up.
423- _DeviceInfoFetcher .btDevsCache = None
423+ deviceInfoFetcher .btDevsCache = None
424424 self ._queueBgScan (usb = usb , bluetooth = bluetooth , limitToDevices = limitToDevices )
425425
426426 def handleWindowMessage (self , msg = None , wParam = None ):
@@ -433,7 +433,7 @@ def pollBluetoothDevices(self):
433433 if not self ._detectBluetooth :
434434 # Do not poll bluetooth devices at all when bluetooth is disabled.
435435 return
436- if not _DeviceInfoFetcher .btDevsCache :
436+ if not deviceInfoFetcher .btDevsCache :
437437 return
438438 self ._queueBgScan (bluetooth = self ._detectBluetooth , limitToDevices = self ._limitToDevices )
439439
@@ -442,7 +442,7 @@ def terminate(self):
442442 messageWindow .pre_handleWindowMessage .unregister (self .handleWindowMessage )
443443 self ._stopBgScan ()
444444 # Clear the cache of bluetooth devices so new devices can be picked up with a new instance.
445- _DeviceInfoFetcher .btDevsCache = None
445+ deviceInfoFetcher .btDevsCache = None
446446 self ._executor .shutdown (wait = False )
447447
448448
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