Update app.py

app.py

@@ -76,7 +76,7 @@ elif data == "Olympic":
     data_x, data_y = oly_x, oly_y
 elif data == "Linear":
     data_x = np.linspace(0,1,99)
-    data_y = 3 * data_x + 2 + (np.random.randn_like(data_x) * data_x)
+    data_y = 3 * data_x + 2 + (np.random.randn(data_x.shape[0]) * data_x)
 elif data == 'GPflow':
     N = 1001