Update app.py

app.py

@@ -156,7 +156,7 @@ collection_name = create_collection_name(pdf_filepath)
 vector_db = create_db(doc_splits, collection_name)
 
 # Initialize the LLM chain with threading
-qa_chain = initialize_llmchain(predefined_llm, temperature=0.6, max_tokens=700, top_k=5, vector_db=vector_db)
+qa_chain = initialize_llmchain(predefined_llm, temperature=0.6, max_tokens=512, top_k=7, vector_db=vector_db)
 
 # Check if qa_chain is properly initialized
 if qa_chain is None: