MQTT doesn't autodiscover properly

gauge.py

@@ -24,6 +24,7 @@ Additional config.json fields:
 import network
 import utime
 import ujson
+import gc
 from umqtt.robust import MQTTClient
 from machine import UART
 
@@ -804,10 +805,11 @@ def check_mqtt():
     return False
 
 
-def _discovery_pause(client, count=2, delay_ms=10):
+def _discovery_pause(client, count=5, delay_ms=25):
     for _ in range(count):
         client.check_msg()
         utime.sleep_ms(delay_ms)
+    gc.collect()
 
 
 def publish_discovery(client):
@@ -823,6 +825,7 @@ def publish_discovery(client):
             f"homeassistant/switch/{MQTT_CLIENT_ID}_g{i}_status_green/config",
         ]:
             client.publish(old_t, b"", retain=True)
+            _discovery_pause(client, count=2, delay_ms=15)
 
     for i, g in enumerate(gauges):
         gt = gauge_topics[i]