Update app.py

app.py

@@ -28,8 +28,11 @@ except AttributeError:
 else:
     ssl._create_default_https_context = _create_unverified_https_context
 
-nltk.download('punkt')
-nltk.download('stopwords')
+# Set the NLTK data path explicitly
+nltk.data.path.append(os.environ["NLTK_DATA"])
+
+# Download specific NLTK datasets
+nltk.download('punkt', download_dir=os.environ["NLTK_DATA"])
 
 dotenv.load_dotenv()