Update app.py

app.py

@@ -2,6 +2,8 @@ import gradio as gr
 import pandas as pd
 from datatable import (dt, f,fread, by, ifelse, update, sort,count, min, max, mean, sum, rowsum,rowmean,rowcount,shift,rbind,cbind,union)
 import requests
+from pivottablejs import pivot_ui
+
 '''
 import hashlib
 import tempfile