Missed URL fix
@@ -7,7 +7,7 @@ This example shows how to make a binned scatterplot.
import altair as alt
from vega_datasets import data
-source = data.movies()
+source = data.movies.url
chart = alt.Chart(source).mark_circle().encode(
x = alt.X('IMDB_Rating:Q', bin = alt.BinParams(maxbins=10)),
