Update app.py

app.py

@@ -77,7 +77,7 @@ def check_server_ready(port):
 @spaces.GPU(duration=170)
 def generate_image(prompt, image):
     prefix_filename = str(random.randint(0, 999999))
-     try:
+    try:
         prompt = prompt.replace('ComfyUI', prefix_filename)
         prompt = json.loads(prompt)
     except: