fix: error handling

led_control.py

@@ -170,10 +170,10 @@ async def main(loop):
 
 def handler(loop, context):
     e = context['exception']
-    print(*traceback.format_exception(None, e, e.__traceback__), file=sys.stderr, flush=True)
+    if not isinstance(e, KeyboardInterrupt):
+        print(*traceback.format_exception(None, e, e.__traceback__), file=sys.stderr, flush=True)
     if not DEBUG:
         GPIO.cleanup()
-
     loop.stop()
 
 # run
@@ -183,4 +183,10 @@ loop.set_exception_handler(handler)
 
 loop.create_task(main(loop))
 
-loop.run_forever()
+try:
+    loop.run_forever()
+except KeyboardInterrupt:
+    pass
+finally:
+    if not DEBUG:
+        GPIO.cleanup()