changed json load

app.py

@@ -132,7 +132,8 @@ cohere_model = CohereLLM()
 #HfApiModel("mistralai/Mistral-7B-v0.1-chat")
 
 def mainFunc(articles):
-    articles = json.loads(articles)
+    if isinstance(articles, str):
+        articles = json.loads(articles)
     newsApiKey = os.getenv('NEWSAPI_KEY')
     if not newsApiKey:
         raise ValueError("Missing NEWS_API_KEY in environment variables.")