Update app.py

app.py

@@ -63,7 +63,7 @@ def get_conversation_chain(vectorstore:FAISS) -> ConversationalRetrievalChain:
     # llm = ChatOpenAI(temperature=0, model="gpt-3.5-turbo-0613")
     llm = HuggingFaceHub(
         #repo_id="mistralai/Mistral-7B-Instruct-v0.2",
-        repo_id="meta-llama/Meta-Llama-3-8B",
+        repo_id="google/gemma-2-9b",
         #repo_id="TheBloke/Mixtral-8x7B-Instruct-v0.1-GGUF"
         model_kwargs={"temperature": 0.5, "max_length": 2048},
     )