Add stat_smooth to static plot and update test warnings

Added back stat_smooth with linear model to the ggplot in the static_plots example app. Updated example test to allow a new RuntimeWarning related to insufficient data points for line fitting.

Author: karangattu

examples/static_plots/app.py

@@ -78,6 +78,7 @@ def plotnine():
             facet_wrap,
             geom_point,
             ggplot,
+            stat_smooth,
             theme,
             theme_bw,
         )
@@ -88,6 +89,7 @@ def plotnine():
         return (
             ggplot(mtcars, aes(input.x(), input.y(), color=color_var))
             + geom_point()
+            + stat_smooth(method="lm")
             + facet_wrap("~gear")
             + theme_bw(base_size=16)
             + theme(legend_position="top")

tests/playwright/examples/example_apps.py

@@ -89,7 +89,8 @@ def get_apps(path: str) -> typing.List[str]:
     "FutureWarning: The default of observed=False is deprecated",
     # seaborn: https://github.com/mwaskom/seaborn/pull/3355
     "FutureWarning: use_inf_as_na option is deprecated",
-    "pd.option_context('mode.use_inf_as_na",  # continutation of line above
+    "pd.option_context('mode.use_inf_as_na",  # continutation of line above,
+    "RuntimeWarning: invalid value encountered in dot",  # some groups didn't have enough data points to create a meaningful line
 ]
 app_allow_js_errors: typing.Dict[str, typing.List[str]] = {
     "examples/brownian": ["Failed to acquire camera feed:"],