Update app.py

app.py

@@ -243,7 +243,7 @@ def next_page(pages_json, current_page, total_pages, pid, orig_lev, start_time):
     )
 
 
-def prev_page(pages_json, current_page, total_pages):
+def prev_page(pages_json, current_page, total_pages, pid, orig_lev, start_time):
     now = (datetime.utcnow() + timedelta(hours=9)).isoformat()
     
     action = "prev_pushed"
@@ -414,7 +414,11 @@ with gr.Blocks() as demo:
     # Prev
     prev_btn.click(
         fn=prev_page,
-        inputs=[hidden_pages, hidden_page_index, hidden_total_pages],
+        inputs=[
+            hidden_pages, hidden_page_index,
+            hidden_total_pages, hidden_passage_id,
+            hidden_orig_lev, hidden_start_time
+        ],
         outputs=[
             text_display, page_display,
             hidden_pages, hidden_page_index,