Update app.py

app.py

@@ -14,6 +14,8 @@ def set_openai_api_key(api_key: str):
     """Set the api key and return chain.
     If no api_key, then None is returned.
     """
+    print(os.environ["TEST"])
+    
     if api_key:
         os.environ["OPENAI_API_KEY"] = api_key
         chain = get_chain(vectorstore)