top: Update Python formatting to black "2023 stable style".

See https://black.readthedocs.io/en/stable/the_black_code_style/index.html

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

examples/bluetooth/ble_uart_repl.py

@@ -20,6 +20,7 @@ if hasattr(machine, "Timer"):
 else:
     _timer = None
 
+
 # Batch writes into 50ms intervals.
 def schedule_in(handler, delay_ms):
     def _wrap(_arg):