Update app.py

app.py

@@ -35,7 +35,7 @@ def prediction_churn_model(gr,sc,pr,dp,t,ps,mp,Is,os,ob,dd,ts,st,sm,cr,pb,pm,mc,
             'MonthlyCharges':[mc],
             'TotalCharges':[tc]
         })
-        for col in le_col:
+        for col in yes_no_columns:
             input_data[col]=le[col].transform(input_data[col])
         # for col in yes_no_columns:
         #     input_data[col].replace({'Yes': 1,'No': 0},inplace=True)