Update main.py

main.py

@@ -4,7 +4,7 @@ from fastapi.middleware.cors import CORSMiddleware
 import requests
 import pandas as pd
 import json
-import httpx,os,datetime
+import os,datetime
 import pandas as pd
 from sklearn.model_selection import train_test_split, GridSearchCV
 from sklearn.preprocessing import LabelEncoder