19821: Bugfix type declarations for compatibility with Python<3.9

[arvados.git] / sdk / python / arvados / collection.py

diff --git a/sdk/python/arvados/collection.py b/sdk/python/arvados/collection.py
index 197925b24be95f6d6b6f769b9c3a7d9166390e75..0f2ec4c96fbdf39656ccc38ddb2911de934bc5ea 100644 (file)
--- a/sdk/python/arvados/collection.py
+++ b/sdk/python/arvados/collection.py
@@ -1156,7 +1156,7 @@ class Collection(RichCollectionBase):
             except errors.SyntaxError as e:
                 raise errors.ArgumentError("Error processing manifest text: %s", str(e)) from None
 
-    def storage_classes_desired(self) -> list[str]:
+    def storage_classes_desired(self) -> List[str]:
         """Get this collection's `storage_classes_desired` value"""
         return self._storage_classes_desired or []
 
@@ -1200,7 +1200,7 @@ class Collection(RichCollectionBase):
     @synchronized
     def known_past_version(
             self,
-            modified_at_and_portable_data_hash: tuple[Optional[str], Optional[str]]
+            modified_at_and_portable_data_hash: Tuple[Optional[str], Optional[str]]
     ) -> bool:
         """Indicate whether an API record for this collection has been seen before