fix: give subproc as chance to run

app.py

@@ -114,8 +114,13 @@ async def main():
                     charles_actor = ray.get_actor("CharlesActor")
                     system_one_audio_status.write("Charles is here.")
                 except ValueError as e:
-                    charles_actor_proc = subprocess.Popen(["python3", "charles_actor.py"])
-                    system_one_audio_status.write("Creating an instance of Charles...")
+                    if 'charles_actor_proc' in locals() or 'charles_actor_proc' in globals() and charles_actor_proc is not None:
+                        system_one_audio_status.write("Waiting for instance of Charles...")
+                    else:
+                        await asyncio.sleep(0.5) # give ray a chance to start
+                        charles_actor_proc = subprocess.Popen(["python3", "charles_actor.py"])
+                        system_one_audio_status.write("Creating an instance of Charles...")
+                        await asyncio.sleep(0.5)
                     # import platform
                     # print (f"platform:{platform.system()}")
                     # if platform.system() == 'Linux':
@@ -123,6 +128,7 @@ async def main():
                     #     system_one_audio_status.write("Creating Charles.")
                     # else:
                     #     system_one_audio_status.write("Charles is sleeping.")
+                    pass
             if charles_actor is not None: 
                 try:
                     # new_environment_state = await charles_actor.get_environment_state.remote()