Update

app.py

@@ -20,6 +20,8 @@ MAX_NUM_FRAMES = int(os.getenv('MAX_NUM_FRAMES', '200'))
 DEFAULT_NUM_FRAMES = min(MAX_NUM_FRAMES,
                          int(os.getenv('DEFAULT_NUM_FRAMES', '24')))
 MAX_SEED = np.iinfo(np.int32).max
+CACHE_EXAMPLES = torch.cuda.is_available() and os.getenv(
+    'CACHE_EXAMPLES') == '1'
 
 if torch.cuda.is_available():
     pipe = DiffusionPipeline.from_pretrained('cerspense/zeroscope_v2_576w',
@@ -110,7 +112,7 @@ with gr.Blocks(css='style.css') as demo:
                 inputs=inputs,
                 outputs=result,
                 fn=generate,
-                cache_examples=os.getenv('CACHE_EXAMPLES') == '1')
+                cache_examples=CACHE_EXAMPLES)
 
     prompt.submit(
         fn=randomize_seed_fn,