Update app.py

app.py

@@ -28,13 +28,9 @@ import gradio as gr
 # Import specific utilities for news feed parsing and query processing
 from RAG_utils import NewsFeedParser, HybridRetriever, NewsQueryEngine
 
-with open('config.json') as config_file:
-    config = json.load(config_file)
-    
 # Setup logging
 logging.basicConfig(level=logging.INFO)
-openai.api_key = config['OPENAI_API_KEY']
-os.environ['OPENAI_API_KEY'] = openai.api_key
+openai.api_key = os.environ['OpenAI']
 
 
 llm = OpenAI(model="gpt-4", temperature=0.1, max_tokens=512)