stuffing update

app.py

@@ -34,9 +34,10 @@ def pdf_changes(pdf_doc):
         # Initialize summary variable
         full_summary = ""
         
-        # Divide the text into smaller chunks, for example 3 pages per chunk
+        # Divide the text into smaller chunks, for example, 3 pages per chunk
         for i in range(0, len(texts), 3):
-            chunk = " ".join(texts[i:i+3])
+            chunk = " ".join([doc.text for doc in texts[i:i+3]])  # Modified line
+            
             
             # Load the summarization chain with stuffing method
             stuff_chain = load_summarize_chain(vertex_llm_text, chain_type="stuff", prompt=prompt)