Update app.py

app.py

@@ -24,16 +24,7 @@ from tqdm.notebook import tqdm
 import matplotlib.pyplot as plt
 
 import nltk
-import ssl
-
-try:
-    _create_unverified_https_context = ssl._create_unverified_context
-except AttributeError:
-    pass
-else:
-    ssl._create_default_https_context = _create_unverified_https_context
-
-nltk.download()
+nltk.download('punkt')
 from nltk.tokenize import word_tokenize
 
 import random