Update app.py

app.py

@@ -32,7 +32,7 @@ with gr.Blocks(theme=theme, title="ReXplore Summarizer", fill_height=True) as ap
         with gr.Column():
             url = gr.Textbox(label="PDF URL", placeholder="Paste the PDF URL here")
             id = gr.Textbox(label="DOI/arXiv ID", placeholder="Enter the DOI or arXiv ID of the document")
-            access_key = gr.Textbox(label="Access Key", placeholder="Enter the Access Key")
+            access_key = gr.Textbox(label="Access Key", placeholder="Enter the Access Key", type='password')
             with gr.Row():
                 clear_btn = gr.Button(value="Clear", variant='stop')
                 summarize_btn = gr.Button(value="Summarize", variant='primary')