Update app/indices_html.py

app/indices_html.py

@@ -1,11 +1,11 @@
 import pandas as pd
-from nsepython import *
+from . import nsepython
 import html
 from datetime import datetime as dt
 from collections import defaultdict
 
 # persist helpers (HF only)
-from persist import exists, load, save
+from .persist import exists, load, save
 
 
 def build_indices_html():