Update app.py

app.py

@@ -5,8 +5,7 @@ import os
 load_dotenv("apiroute.env")
 api_key=os.getenv("OPENAI_API_KEY")
 api_base=os.getenv("OPENAI_API_BASE")
-os.environ["OPENAI_API_KEY"]=api_key
-os.environ['OPENAI_API_BASE']=api_base
+
 llm=ChatOpenAI(model_name="google/gemma-3n-e2b-it:free",temperature=0.7)
 # Streamlit UI
 st.set_page_config(page_title="Chatbot", layout="centered")