change flow

flow.json

@@ -1,11 +1,4 @@
 [
-    {
-        "id": "7814434760ede84f",
-        "type": "tab",
-        "label": "Flow 1",
-        "disabled": false,
-        "info": ""
-    },
     {
         "id": "f2fa6dd5ecc6fee9",
         "type": "tab",
@@ -362,7 +355,7 @@
         "name": "raspi/weather",
         "topic": "raspi/weather",
         "qos": "0",
-        "retain": "",
+        "retain": "true",
         "respTopic": "",
         "contentType": "",
         "userProps": "",