gpio close on shutdown

tunerlistd/main.py

@@ -40,7 +40,7 @@ async def bluetooth_listener():
 async def startup_event():
     for i in [
         tunerlist.run(),
-        bluetooth.run(),
+#        bluetooth.run(),
         tunerlist_listener(),
         bluetooth_listener()
     ]:

tunerlistd/tunerlist.py

@@ -71,10 +71,6 @@ class TunerList:
         self.text = ""
         self.preset = None
 
-    def __del__(self):
-        self.pi.bb_serial_read_close(GPIO_PIN)
-        self.pi.stop()
-
     async def run(self):
         try:
             while True:
@@ -96,12 +92,13 @@ class TunerList:
                         print(hex(c), " ", end="")
                     print("    [",self.text,"]", f" [P {self.preset}]")
         except CancelledError:
-            pass
-    
+            self.pi.bb_serial_read_close(GPIO_PIN)
+            self.pi.stop()
+
     async def yield_new_state(self):
         while True:
             yield await self.queue.get()
-    
+
     async def send_button(self, btn):
         with ThreadPoolExecutor() as executor:
             loop = get_event_loop()