cast seed to int + cache examples

app.py

@@ -99,7 +99,7 @@ def set_config(semantic_concept, word, prompt_suffix, font_name, num_steps, seed
     cfg.word = word
     cfg.optimized_letter = word
     cfg.font = font_name
-    cfg.seed = seed
+    cfg.seed = int(seed)
     cfg.num_iter = num_steps
     cfg.batch_size = 1
     cfg.loss.tone.dist_loss_weight = dist_loss_weight
@@ -382,7 +382,7 @@ with gr.Blocks() as demo:
                     result2
                 ],
                 fn=run_main_ex,
-                cache_examples=False)
+                cache_examples=True)
         
         
     # inputs