Merging PR_218 openai_rev package with new streamlit chat app

venv/lib/python3.9/site-packages/altair/examples/trellis_scatter_plot.py

@@ -0,0 +1,16 @@
+"""
+Trellis Scatter Plot
+-----------------------
+This example shows how to make a trellis scatter plot.
+"""
+# category: scatter plots
+import altair as alt
+from vega_datasets import data
+
+source = data.cars()
+
+alt.Chart(source).mark_point().encode(
+    x='Horsepower:Q',
+    y='Miles_per_Gallon:Q',
+    row='Origin:N'
+)