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

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

Author: pre-commit-ci[bot]

src/anemoi/datasets/create/sources/accumulation_utils/intervals.py

@@ -16,6 +16,7 @@
 from anemoi.utils.dates import frequency_to_timedelta
 from numpy.typing import NDArray
 
+
 class Interval:
     sign: int | None = None
 
@@ -110,7 +111,7 @@ def apply(self, accumulated: NDArray | None, values: NDArray) -> NDArray:
 
 class IntervalsCollection:
     _todo: set | None = None
-    
+
     def __init__(
         self,
         valid_date: datetime.datetime,

src/anemoi/datasets/create/sources/accumulation_utils/utils.py

@@ -9,6 +9,7 @@
 
 from typing import Any
 
+
 def _member(field: Any) -> int:
     """Retrieves the member number from the field metadata.