update batch

user-management/app/events/batch/read_csv_chunk.py

@@ -1,5 +1,6 @@
 import csv
 from io import StringIO
+from typing import TYPE_CHECKING
 
 from aws_lambda_powertools.utilities.data_classes import (
     EventBridgeEvent,
@@ -9,6 +10,11 @@ from aws_lambda_powertools.utilities.typing import LambdaContext
 
 from boto3clients import s3_client
 
+if TYPE_CHECKING:
+    from mypy_boto3_s3.client import S3Client
+else:
+    S3Client = object
+
 transport_params = {'client': s3_client}
 
 
@@ -36,7 +42,7 @@ def _get_s3_object_range(
     *,
     start_byte: int,
     end_byte: int,
-    s3_client,
+    s3_client: S3Client,
 ) -> StringIO:
     bucket, key = s3_uri.replace('s3://', '').split('/', 1)