Ignore None type device address when using bdaddr (#1539)

CHANGELOG.rst

@@ -26,6 +26,7 @@ Fixed
 * Fixed mypy requiring ``Unpack[ExtraArgs]`` that were intended to be optional.  Fixes #1487.
 * Fixed ``KeyError`` in BlueZ ``is_connected()`` and ``get_global_bluez_manager()`` when device is not present. Fixes #1507.
 * Fixed BlueZ ``_wait_removed`` completion on invalid object path. Fixes #1489.
+* Fixed rare unhandled exception when scanning on macOS when using ``use_bdaddr``. Fixes #1523.
 
 `0.21.1`_ (2023-09-08)
 ======================

bleak/backends/corebluetooth/scanner.py

@@ -130,6 +130,11 @@ def callback(p: CBPeripheral, a: Dict[str, Any], r: int) -> None:
                 address_bytes: bytes = (
                     self._manager.central_manager.retrieveAddressForPeripheral_(p)
                 )
+                if address_bytes is None:
+                    logger.debug(
+                        "Could not get Bluetooth address for %s. Ignoring this device.",
+                        p.identifier().UUIDString(),
+                    )
                 address = address_bytes.hex(":").upper()
             else:
                 address = p.identifier().UUIDString()