Update app.py

app.py

@@ -1,14 +1,11 @@
 import gradio as gr
-import numpy as np
 import pandas as pd
-import requests
-
-SHEET_ID = '1BWKw2ygYQUUPcNdSJhW9OkXILWO5i-dCa5Uahn9dHNo'
-SHEET_NAME = 'Datasets'
-csv_url = f'https://docs.google.com/spreadsheets/d/{SHEET_ID}/gviz/tq?tqx=out:csv&sheet={SHEET_NAME}'
 
 class DataList:
     def __init__(self):
+        SHEET_ID = '1BWKw2ygYQUUPcNdSJhW9OkXILWO5i-dCa5Uahn9dHNo'
+        SHEET_NAME = 'Datasets'
+        csv_url = f'https://docs.google.com/spreadsheets/d/{SHEET_ID}/gviz/tq?tqx=out:csv&sheet={SHEET_NAME}'
         self.table = pd.read_csv(csv_url)
         self.table = self.table.astype({'Year':'string'})
         self._preprocess_table()