Update app.py

app.py

@@ -52,10 +52,10 @@ def get_vectorstore(text_chunks : list) -> FAISS:
 def get_conversation_chain(vectorstore:FAISS) -> ConversationalRetrievalChain:
     # llm = ChatOpenAI(temperature=0, model="gpt-3.5-turbo-0613")
     llm = HuggingFaceHub(
-        repo_id="TheBloke/Mixtral-8x7B-Instruct-v0.1-GGUF",
-        #repo_id="mistralai/Mixtral-8x7B-Instruct-v0.1",
+        repo_id="Tmistralai/Mistral-7B-Instruct-v0.2",
+        #repo_id="mistralai/Mixtral-8x7B-Instruct-v0.1"
         #repo_id="TheBloke/Mixtral-8x7B-Instruct-v0.1-GGUF"
-        model_kwargs={"temperature": 0.5, "max_length": 4096},
+        model_kwargs={"temperature": 0.5, "max_length": 2048},
     )
 
     memory = ConversationBufferMemory(memory_key="chat_history", return_messages=True)