Update app.py

app.py

@@ -5,6 +5,8 @@ from modules.RandomForest import classify_text_rf,classify_text_rf_multi #Import
 from modules.SVM import classify_text_svm,classify_text_svm_multi #Importing single and multi-label classification 
 import nltk
 
+nltk.download('wordnet')
+
 # Check if the stopwords resource is available; if not, download it
 try:
     nltk.data.find('corpora/stopwords')