add sleep code

app.py

@@ -1,22 +1,22 @@
 import subprocess
-import gradio as gr
 import time
 
 def start_controller():
     subprocess.Popen(['python', '-m', 'llava.serve.controller', '--host', '0.0.0.0', '--port', '10000'])
-    time.sleep(60)  
-
+    time.sleep(10)  # wait for the controller to start
 
 def start_gradio_web_server():
     subprocess.Popen(['python', '-m', 'llava.serve.gradio_web_server', '--controller', 'http://localhost:10000', '--model-list-mode', 'reload'])
-    time.sleep(60)  
+    time.sleep(10)  # wait for the web server to start
 
 def start_model_worker():
     subprocess.Popen(['python', '-m', 'llava.serve.model_worker', '--host', '0.0.0.0', '--controller', 'http://localhost:10000', '--port', '40000', '--worker', 'http://localhost:40000', '--model-path', 'liuhaotian/llava-v1.5-13b'])
 
-
-
 if __name__ == "__main__":
-    start_controller()
-    start_gradio_web_server()
-    start_model_worker()
+    start_controller()  # Starts the controller process
+    start_gradio_web_server()  # Starts the Gradio web server process
+    start_model_worker()  # Starts the model worker process
+
+    # Keep the script running to maintain the subprocesses alive
+    while True:
+        time.sleep(3600)  # Sleep for 1 hour, adjust as needed