Update app.py

app.py

@@ -6,7 +6,6 @@ import nltk
 import os
 import PyPDF2
 
-
 # Load summarization pipeline
 summarizer = pipeline("summarization", model="harao-ml/flant5-finetuned-summarize")
 
@@ -99,6 +98,7 @@ def summarize_file(file):
 # Function to fetch top headlines from NewsAPI and summarize them
 def fetch_news():
     url = 'https://newsapi.org/v2/top-headlines'
+    api_key = os.environ.get("api_key")
     params = {
         'apiKey': api_key,
         'language': 'en',