Update app.py

app.py

@@ -6,15 +6,15 @@ from langchain.chat_models import ChatOpenAI
 from langchain.prompts import PromptTemplate
 from langchain.chains import LLMChain
 
-# Set OpenAI API Key
-openai.api_key = "sk-O7esHSo2XAWm-GXUGXp7_P9l4qXrQMn0CIGzs34ojLT3BlbkFJeXGSSvywppRTAvyT0zZkmZLZsj5cg7XkAkBTh8ZxoA"
+# Set OpenAI API Key directly here if not set as an environment variable
+OPENAI_API_KEY = "sk-O7esHSo2XAWm-GXUGXp7_P9l4qXrQMn0CIGzs34ojLT3BlbkFJeXGSSvywppRTAvyT0zZkmZLZsj5cg7XkAkBTh8ZxoA"
 
 # Database connection
 DATABASE_URL = "sqlite:///Sakila.db"  # Replace with your DB path or connection string
 engine = create_engine(DATABASE_URL)
 
 # Set up LangChain components
-llm = ChatOpenAI(model="gpt-3.5-turbo", temperature=0.5)  # OpenAI's Chat model for LLM
+llm = ChatOpenAI(model="gpt-3.5-turbo", temperature=0.5, openai_api_key=OPENAI_API_KEY)  # Pass API key here
 
 # Custom prompt to generate SQL query
 prompt_template = """