fix demo inference

app.py

@@ -165,6 +165,7 @@ def inference(x, count_only_api, api_key, img_size=192, seq_len=64, stride_lengt
         all_frames.append(all_frames[-1])
     batch_list = []
     idx_list = []
+    print(length, stride_length, stride_pad)
     for i in tqdm(range(0, length + stride_length - stride_pad, stride_length)):
         batch = all_frames[i:i + seq_len]
         Xlist = []
@@ -355,14 +356,16 @@ with gr.Blocks() as demo:
         faq += "\n* **Q:** Does the model count both feet?\n    * **A:** Yes, but for convention we usually return the halved (one foot) score."
         gr.Markdown(faq)
 
+    demo_inference = partial(inference, count_only_api=False, api_key=None)
+
     gr.Examples(examples=[
                         [a, True, False, -1, True, 1.0, 0.95],
                         [b, False, True, -1, True, 1.0, 0.95],
                     ],
                 inputs=[in_video],
                 outputs=[out_text, out_plot, out_hist],
-                fn=inference, cache_examples=os.getenv('SYSTEM') == 'spaces')
-    demo_inference = partial(inference, count_only_api=False, api_key=None)
+                fn=demo_inference, cache_examples=os.getenv('SYSTEM') == 'spaces')
+    
     run_button.click(demo_inference, [in_video], outputs=[out_text, out_plot, out_hist])
     api_inference = partial(inference, api_call=True)
     api_dummy_button.click(api_inference, [in_video, count_only, api_token], outputs=[period_length], api_name='inference')