Update chatbot.py

chatbot.py

@@ -1,4 +1,4 @@
-from machine_learning import model, words, labels, ans_data, npl
+from machine_learning import model, words, labels, ans_data, nlp
 import datetime
 import random
 import numpy
@@ -7,7 +7,7 @@ import numpy
 
 def bag_of_words(s, words):
     bag = [0 for _ in range(len(words))]
-    s_words = npl(s.lower())
+    s_words = nlp(s.lower())
     s_words = [word.lemma_ for word in s_words]
 
     for se in s_words: