Update app.py

app.py

@@ -12,6 +12,7 @@ import regex as re
 from nltk.corpus import stopwords
 from nltk.tokenize import word_tokenize
 from sklearn.ensemble import RandomForestClassifier
+from catboost import CatBoostClassifier
 import transformers
 from transformers import AutoTokenizer, AutoModelForSequenceClassification, AutoConfig
 from scipy.special import softmax