Update app.py

app.py

@@ -79,14 +79,14 @@ with gr.Blocks() as app:
                 file_types=["zip"],
             )
             exp_dir = gr.Textbox(label="Experiment directory", visible=True)
-            preprocess_btn = gr.Button(label="Preprocess", variant="primary")
+            preprocess_btn = gr.Button(value="Preprocess", variant="primary")
         with gr.Column():
             preprocess_output = gr.Textbox(label="Preprocessing output", lines=5)
 
     with gr.Row():
         with gr.Column():
             extract_features_btn = gr.Button(
-                label="Extract features", variant="primary"
+                value="Extract features", variant="primary"
             )
         with gr.Column():
             extract_features_output = gr.Textbox(
@@ -96,7 +96,7 @@ with gr.Blocks() as app:
     with gr.Row():
         with gr.Column():
             download_expdir_btn = gr.Button(
-                label="Download experiment directory", variant="primary"
+                value="Download experiment directory", variant="primary"
             )
         with gr.Column():
             download_expdir_output = gr.File(label="Download experiment directory")