[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

xarray/backends/api.py

@@ -427,10 +427,7 @@ async def _create_index_for_node(
     return tree
 
 
-async def _maybe_create_default_indexes_async(
-    ds: Dataset, executor=None
-) -> Dataset:
-
+async def _maybe_create_default_indexes_async(ds: Dataset, executor=None) -> Dataset:
     import asyncio
 
     to_index_names = [

xarray/backends/zarr.py

@@ -1939,9 +1939,7 @@ def open_datatree(
             )
 
             # Async parallel group discovery (25x faster than sync recursive)
-            group_paths = zarr_sync(
-                _iter_zarr_groups_async(zarr_group, parent=parent)
-            )
+            group_paths = zarr_sync(_iter_zarr_groups_async(zarr_group, parent=parent))
 
             return zarr_sync(
                 self._open_datatree_from_stores_async(
@@ -2048,9 +2046,7 @@ def _sync_open():
                 if path_group == parent:
                     group_store = zarr_group
                 else:
-                    rel_path = path_group.removeprefix(f"{parent}/").removeprefix(
-                        "/"
-                    )
+                    rel_path = path_group.removeprefix(f"{parent}/").removeprefix("/")
                     group_store = zarr_group[rel_path]
 
                 store = ZarrStore(
@@ -2217,6 +2213,7 @@ async def open_groups_as_dict_async(
         executor = ThreadPoolExecutor(
             max_workers=max_workers, thread_name_prefix="xarray"
         )
+
         async def open_one(path_group: str, store) -> tuple[str, Dataset]:
             store_entrypoint = StoreBackendEntrypoint()