Update app.py

app.py

@@ -38,7 +38,7 @@ def get_vectorstore(text_chunks):
 
 
 def get_conversation_chain(vectorstore):
-     llm = ChatOpenAI()
+    llm = ChatOpenAI()
     # llm = HuggingFaceHub(repo_id="NousResearch/Llama-2-7b-hf", model_kwargs={"temperature":0.5, "max_length":512})
 
     memory = ConversationBufferMemory(