Update src/interface.py

src/interface.py

@@ -58,7 +58,7 @@ def create_demo():
                 uploaded_pdf = gr.UploadButton("📁 Upload PDF", file_types=[".pdf"], elem_id='upload_pdf')
             #NEW
             with gr.Column(scale=0.20):
-                download_chat = gr.DownloadButton('Download chat History', file_types=[".csv"], elem_id='download_chat')
+                download_chat = gr.DownloadButton('Download chat History', elem_id='download_chat')
             #NEW
 
     return demo, chat_history, show_img, text_input, submit_button, uploaded_pdf, download_chat, slider_chunk_size,slider_overlap_percentage,slider_temp,slider_k