Update analysis/preprocessing.py

analysis/preprocessing.py

@@ -1,6 +1,5 @@
 import streamlit as st
 from utilities.template_helpers import upload_data
-from types import NoneType
 import pandas as pd
 import numpy as np
 from sklearn.preprocessing import StandardScaler
@@ -18,7 +17,7 @@ def render():
     df = None
     with col1.container():
         df = upload_data()
-        if type(df) is NoneType:
+        if df is None:
             return
         if df.shape == (0,0):
             return