Update app.py

app.py

@@ -1,9 +1,14 @@
 import gradio as gr
 import pickle
-import pandas as pd
 import sys
 import subprocess
-import pandas
+import pandas as pd
+from sklearn.utils import shuffle
+from sklearn.feature_extraction.text import TfidfVectorizer
+from xgboost import XGBClassifier
+from sklearn.model_selection import train_test_split
+import pymystem3
+from tqdm import tqdm
 
 subprocess.check_call([sys.executable, '-m', 'pip', 'install', 
 'xgboost'])