Update app.py

app.py

@@ -23,7 +23,7 @@ class BasicAgent:
         self.llm = OpenAI(
             model="gpt-4o-mini",
             temperature=0,
-            api_key=OPENAI_API_KEY
+            api_key=os.getenv("OPENAI_API_KEY")
         )
     
         #OpenAI(model="gpt-3.5-turbo", temperature=0)