Update app.py

app.py

@@ -739,10 +739,10 @@ class GradioUI:
                     # File upload in collapsible section
                     if self.file_upload_folder is not None:
                         with gr.Accordion("Upload Files", open=False):
-                            self.components.file_uploader = gr.File(
-                                label="Upload a file",
+                            self.components.file_uploader = gr.UploadButton(
+                                "Upload a file",
+                                file_count="single",
                                 file_types=["pdf", "docx", "txt", "md", "json"],
-                                type="file",
                             )
                             self.components.upload_status = gr.Textbox(
                                 label="Upload status", interactive=False, visible=False
@@ -800,11 +800,11 @@ class GradioUI:
                     )
 
                     # Connect event handlers with appropriate cancellation
-                    # File upload handler
+                    # File upload handler - Updated for UploadButton
                     if hasattr(self.components, "file_uploader") and hasattr(
                         self.components, "upload_status"
                     ):
-                        self.components.file_uploader.change(
+                        self.components.file_uploader.upload(
                             self.handle_file_upload,
                             [self.components.file_uploader, file_uploads_log],
                             [self.components.upload_status, file_uploads_log],
@@ -880,11 +880,9 @@ class GradioUI:
                         ],
                     )
 
-            # Launch with enhanced queue settings
+            # Launch with fixed queue settings (avoiding the problematic parameter)
             demo.queue(
                 max_size=self.max_queue_size,
-                default_concurrency_limit=3,  # Allow multiple concurrent requests
-                status_update_rate=10,  # Update status more frequently
             ).launch(
                 share=share,
                 debug=True,