Keepalive rpyc connection (bugfix) (#2076)

Keepalive rpyc connection

Author: Hook25

checkbox-ng/checkbox_ng/launcher/controller.py

@@ -291,7 +291,7 @@ def connect_and_run(self, host, port=18871):
                     keep_running = self._handle_interrupt()
                     if not keep_running:
                         break
-                conn = rpyc.connect(host, port, config=config)
+                conn = rpyc.connect(host, port, config=config, keepalive=True)
                 keep_running = True
 
                 def quitter(msg):