Update app.py

app.py

@@ -1,3 +1,21 @@
+# start with the setup
+
+# supress warnings about future deprecations
+import warnings
+warnings.simplefilter(action='ignore', category=FutureWarning)
+
+import pandas as pd
+import altair as alt
+import numpy as np
+import pprint
+import datetime as dt
+from vega_datasets import data
+import matplotlib.pyplot as plt
+
+# Solve a javascript error by explicitly setting the renderer
+alt.renderers.enable('jupyterlab')
+#load data 
+df2=pd.read_csv("https://raw.githubusercontent.com/dallascard/SI649_public/main/altair_hw3/approval_topline.csv")
 # Import panel and vega datasets
 
 import panel as pn