[fix]

app.py

@@ -69,7 +69,7 @@ interface = gr.Interface(
     fn=handle_files_and_query,
     inputs=[
         gr.Textbox(lines=1, label="Enter your search query here..."),
-        gr.File(file_count="multiple", type="file", file_types=[".pdf"], label="Upload a file here."),
+        gr.File(file_count="multiple", type="filepath", file_types=[".pdf"], label="Upload a file here."),
         gr.Slider(minimum=1, maximum=100, value=50, label="Chunk Overlap"),
         gr.Slider(minimum=64, maximum=512, value=256, label="Tokens Per Chunk (чем больше - тем бОльшие куски книги "
                                                             "сможем находить)"),