fix(awslambda): aws_event can be an empty list (getsentry#2849)

sentrivana · web-flow · commit 856e5bce7424 · 2024-03-19T14:49:51.000Z
diff --git a/sentry_sdk/integrations/aws_lambda.py b/sentry_sdk/integrations/aws_lambda.py
@@ -81,7 +81,7 @@ def sentry_handler(aws_event, aws_context, *args, **kwargs):
         # will be the same for all events in the list, since they're all hitting
         # the lambda in the same request.)
 
-        if isinstance(aws_event, list):
+        if isinstance(aws_event, list) and len(aws_event) >= 1:
             request_data = aws_event[0]
             batch_size = len(aws_event)
         else:
diff --git a/tests/integrations/aws_lambda/test_aws.py b/tests/integrations/aws_lambda/test_aws.py
@@ -489,6 +489,7 @@ def test_handler(event, context):
             True,
             2,
         ),
+        (b"[]", False, 1),
     ],
 )
 def test_non_dict_event(

Original file line number	Diff line number	Diff line change
`@@ -489,6 +489,7 @@ def test_handler(event, context):`
`489`	`489`	`True,`
`490`	`490`	`2,`
`491`	`491`	`),`
	`492`	`+ (b"[]", False, 1),`
`492`	`493`	`],`
`493`	`494`	`)`
`494`	`495`	`def test_non_dict_event(`