Make optimizer Altair V5 capable.

PiperOrigin-RevId: 733832420
google · Mar 6, 2025 · a1c826d · a1c826d
1 parent ed40c06
commit a1c826d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/meridian/analysis/optimizer.py b/meridian/analysis/optimizer.py
@@ -416,7 +416,7 @@ def plot_spend_delta(self) -> alt.Chart:
         tooltip=True, size=c.BAR_SIZE, cornerRadiusEnd=c.CORNER_RADIUS
     ).encode(
         color=alt.condition(
-            alt.expr.datum.spend > 0,
+            alt.datum.spend > 0,
             alt.value(c.CYAN_400),
             alt.value(c.RED_300),
         ),