fix: Default value for events without breadcrumbs

alexander-alderman-webb · alexander-alderman-webb · commit b437ee1bc7bc · 2025-10-17T11:32:26.000+02:00
diff --git a/sentry_sdk/client.py b/sentry_sdk/client.py
@@ -622,7 +622,8 @@ def _prepare_event(
             )
         if previous_total_breadcrumbs is not None:
             event["breadcrumbs"] = AnnotatedValue(
-                event.get("breadcrumbs", []), {"len": previous_total_breadcrumbs}
+                event.get("breadcrumbs", {"values": []}),
+                {"len": previous_total_breadcrumbs},
             )
 
         # Postprocess the event here so that annotated types do

Original file line number	Diff line number	Diff line change
`@@ -622,7 +622,8 @@ def _prepare_event(`
`622`	`622`	`)`
`623`	`623`	`if previous_total_breadcrumbs is not None:`
`624`	`624`	`event["breadcrumbs"] = AnnotatedValue(`
`625`		`- event.get("breadcrumbs", []), {"len": previous_total_breadcrumbs}`
	`625`	`+ event.get("breadcrumbs", {"values": []}),`
	`626`	`+ {"len": previous_total_breadcrumbs},`
`626`	`627`	`)`
`627`	`628`
`628`	`629`	`# Postprocess the event here so that annotated types do`