Update app.py

app.py

@@ -33,7 +33,7 @@ def pdf_changes(pdf_doc):
 
     llm = Replicate(
         model="a16z-infra/llama13b-v2-chat:df7690f1994d94e96ad9d568eac121aecf50684a0b0963b25a41cc40061269e5",
-        input={"temperature": 0.2, "max_length": 3000, "length_penalty":1.5, "num_beams":3}
+        input={"temperature": 0.2, "max_length": 3000, "length_penalty":0.5, "num_beams":3}
     )
     global qa 
     qa = ConversationalRetrievalChain.from_llm(