.

app.py

@@ -319,14 +319,18 @@ def next_image(calibrate_prompts, user_id):
 
 
 
+thread = threading.Thread(target=background_next_image,)
 is_started = False
 
 def start(_, calibrate_prompts, user_id, request: gr.Request):
     global is_started
+    global thread
     user_id = int(str(time.time())[-7:].replace('.', ''))
     image, calibrate_prompts = next_image(calibrate_prompts, user_id)
     if not is_started:
-        background_next_image()
+        thread.start()
+        is_started = True
+
     return [
             gr.Button(value='Like (L)', interactive=True), 
             gr.Button(value='Neither (Space)', interactive=True, visible=False), 
@@ -488,8 +492,6 @@ log.setLevel(logging.ERROR)
 #scheduler.add_job(func=background_next_image, trigger="interval", seconds=.1)
 #scheduler.start()
 
-#thread = threading.Thread(target=background_next_image,)
-#thread.start()
 
 @spaces.GPU()
 def encode_space(x):