Update app.py

app.py

@@ -53,8 +53,9 @@ 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="google/gemma-1.1-7b-it",
+        #repo_id="google/gemma-1.1-7b-it",
         #repo_id="TheBloke/Mixtral-8x7B-Instruct-v0.1-GGUF"
+        repo_id="meta-llama/Meta-Llama-3-8B-Instruct",
         model_kwargs={"temperature": 0.9, "max_length": 2048},
     )