Update app.py

app.py

@@ -54,7 +54,7 @@ def fetch_arxiv_data(arxiv_id):
 def update_fields(url_or_id):
     arxiv_id = extract_arxiv_id(url_or_id)
     if len(arxiv_id.strip().split('.')) != 2:
-        return '', '', ''
+        return '', '', '', ''
     print (arxiv_id)
     title, authors, abstract = fetch_arxiv_data(arxiv_id)
     output = predict(title, authors, abstract)
@@ -108,12 +108,10 @@ with gr.Blocks() as demo:
     author_box = gr.Textbox(label="Authors (separated by comma)", placeholder="Enter authors (separated by comma)", value=example_authors)
     abstract_box = gr.TextArea(label="Abstract", placeholder="Enter abstract", value=example_abstract)
     output_box = gr.Textbox(label="Predicted Selection Probability")
-    submit_btn = gr.Button("Predict", variant="primary")
     iface = gr.Interface(
         fn=predict,
         inputs=[title_box, author_box, abstract_box],
         outputs=[output_box],
-        submit_btn=submit_btn,
         clear_btn=gr.Button("Clear", variant="secondary", visible=False),
         title="Paper Selection Prediction",
         description="Predict if @_akhaliq will select your paper into Hugging Face papers. Enter the title, authors, and abstract of your paper, or enter an arXiv URL/ID.",