Update app.py

app.py

@@ -46,7 +46,7 @@ def save_text(text):
     temp_file = "metadata.jsonl"
     with open(temp_file, "w") as f:
         f.write(text)
-    return temp_file  # Return only the file path
+    return temp_file
 
 
 # Create Gradio interface
@@ -61,13 +61,16 @@ with gr.Blocks(title="VL-HF Annotations Converter") as iface:
 
     with gr.Row():
         output_text = gr.Textbox(label="Converted JSONL output", lines=10)
-        download_btn = gr.DownloadButton(label="Download JSONL", interactive=True)
+        download_btn = gr.DownloadButton(
+            label="Download JSONL", value="metadata.jsonl", interactive=True
+        )
 
     # Connect the components
-    input_file.change(fn=process_metadata, inputs=[input_file], outputs=[output_text])
-
-    # Connect download button directly to output text
-    download_btn.click(fn=save_text, inputs=[output_text], outputs=[download_btn])
+    output = input_file.change(
+        fn=process_metadata, inputs=[input_file], outputs=[output_text]
+    ).then(  # Chain the save operation immediately after processing
+        fn=save_text, inputs=[output_text], outputs=[download_btn]
+    )
 
 if __name__ == "__main__":
     iface.launch()