Update app.py

app.py

@@ -37,7 +37,7 @@ def gradio_pdf_merge(pdf_files, output_filename):
 gr_interface = gr.Interface(
     fn=gradio_pdf_merge,  # The function to run when files are uploaded
     inputs=[
-        gr.File(file_types=['.pdf'], label="Upload PDF files", multiple=True),  # Allow multiple PDFs to be uploaded
+        gr.Files(file_types=['.pdf'], label="Upload PDF files"),  # Allow multiple PDFs to be uploaded
         gr.Textbox(label="Output PDF filename", placeholder="Enter the output filename (e.g., merged.pdf)")  # Input for output filename
     ],
     outputs=gr.File(label="Merged PDF")  # Return the merged PDF file