Update app.py

app.py

@@ -117,7 +117,8 @@ additional_inputs = [
 # Create the Gradio interface
 with gr.Blocks(theme="Nymbo/Alyx_Theme") as demo:
     with gr.Tab("Indexing"):
-        pdf_input = gr.File(label="Upload PDF", file_types=[".pdf"])
+        # pdf_input = gr.File(label="Upload PDF", file_types=[".pdf"])
+        pdf_input = gr.Files(height=300, file_count="multiple", file_types=["pdf"], interactive=True, label="Upload PDF documents")        
         index_button = gr.Button("Index PDF")
         load_sample = gr.Button("Alternatively, Load and Index [Attention Is All You Need.pdf] as a Sample")
         sample_description = gr.Markdown("This sample PDF is a seminal paper in the field of machine learning, titled 'Attention Is All You Need' at https://arxiv.org/abs/1706.03762. It introduces the Transformer model, which has become foundational in natural language processing.")