Fix for parsing generator

lofar_stingray/reader/_s3_packet_loader.py

@@ -12,6 +12,7 @@ from datetime import datetime, timedelta
 import time
 
 from minio import Minio
+import minio.datatypes
 
 logger = logging.getLogger()
 
@@ -42,18 +43,20 @@ class S3PacketLoader:  # pylint: disable=too-few-public-methods
         self.prefix = prefix.strip("/")
         self.block_duration = block_duration
 
-    def _list_objects_after(self, timestamp: datetime) -> list:
+    def _list_objects_after(self, timestamp: datetime) -> list[minio.datatypes.Object]:
         """Return a list of objects that (should) contain packets of and after
         the given timestamp."""
 
         # NB: The timestamp in the filename is the time when the file was
         # completed, so after the last timestamp recorded in the file.
-        return self._minio_client.list_objects(
-            self.bucket,
-            recursive=True,
-            prefix=f"{self.prefix}",
-            start_after=f"{self.prefix}/{timestamp.year}/{timestamp.month:02d}/"
-            f"{timestamp.day:02d}/{timestamp.isoformat()}.json",
+        return list(
+            self._minio_client.list_objects(
+                self.bucket,
+                recursive=True,
+                prefix=f"{self.prefix}",
+                start_after=f"{self.prefix}/{timestamp.year}/{timestamp.month:02d}/"
+                f"{timestamp.day:02d}/{timestamp.isoformat()}.json",
+            )
         )
 
     def wait_for_packets(self, timestamp: datetime) -> bool: