fix typing

Author: kevinjqliu

tests/catalog/test_base.py

@@ -17,6 +17,7 @@
 # pylint:disable=redefined-outer-name
 
 
+from collections.abc import Generator
 from pathlib import PosixPath
 
 import pyarrow as pa
@@ -51,7 +52,7 @@
 
 
 @pytest.fixture
-def catalog(tmp_path: PosixPath) -> Generator[InMemoryCatalog, None, None]:
+def catalog(tmp_path: PosixPath) -> Generator[Catalog, None, None]:
     catalog = InMemoryCatalog("test.in_memory.catalog", **{WAREHOUSE: tmp_path.absolute().as_posix(), "test.key": "test.value"})
     yield catalog
     catalog.close()