Update app.py

app.py

@@ -1,6 +1,6 @@
 # Read the data
 import pandas as pd
-df = pd.read_csv("./Automobile_data.csv")
+df = pd.read_csv('./Automobile_data.csv')
 df = df.drop(columns = ['normalized-losses','symboling'], axis = 1)
 
 context_data = []