Update app.py

app.py

@@ -4,7 +4,7 @@ from langchain.chat_models import ChatOpenAI
 from langchain import LLMChain, PromptTemplate
 from langchain.memory import ConversationBufferMemory
 
-OPENAI_API_KEY=os.getenv('OPENAI_API_KEY')
+OPENAI_API_KEY=os.getenv('sk-proj-nTPqtcCTLut0wZTPmIWhT3BlbkFJHr40ZaRf2mkp3wJDjvgt')
 
 template = """You are a helpful assistant to answer all user queries.
 {chat_history}