Added hugging face config

stream_app.py

@@ -403,7 +403,7 @@ def parse_args() -> dict:
 
 if __name__ == "__main__":
     os.environ['GRADIO_ANALYTICS_ENABLED'] = 'False'
-    # api_key = os.environ.get("OPENAI_API_KEY")
+    api_key = os.getenv("OPENAI_API_KEY")
     # if not api_key:
     #     raise ValueError("OPENAI_API_KEY environment variable not set as environment variable or as a setting in `.env`.  (see https://platform.openai.com/docs/quickstart/step-2-set-up-your-api-key)")