Update app.py

app.py

@@ -46,7 +46,7 @@ A_y = new_df["Returns"].shift(1)
 new_y = [A]
 
 for i in range(1, len(A_y)):
-    r_temp = new_df["Rate"].iloc(i)
+    r_temp = new_df["Rate"].values[i]
     val =  i * (1 + r_temp / (12*100))
     new_y.append(val)