Fix monitor config

apps/dashboard/xaal/dashboard/core/xaal_core.py

-from xaal.lib import tools,Engine,Device,helpers
+from xaal.lib import tools,Device,helpers
 from xaal.monitor import Monitor
 from . import sio
 
@@ -80,4 +80,4 @@ def update_kv(addr,kv):
         body = {'device':dev.address,'map':kv}
         print(body)
         send_request(db_server,'update_keys_values',body)
-        dev.set_db(kv)
+        dev.set_db(kv)
\ No newline at end of file

libs/monitor/xaal/monitor/monitor.py

@@ -263,7 +263,7 @@ class Monitor:
             return
 
         if msg.is_alive():
-            dev.alive(msg.body.get('timeout', config.DEF_ALIVE_TIMER))
+            dev.alive(msg.body.get('timeout', config.alive_timer))
 
         elif msg.is_request_isalive():
             self.last_isalive = now()