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

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Author: pre-commit-ci[bot]

src/lightning/pytorch/core/datamodule.py

@@ -13,9 +13,9 @@
 # limitations under the License.
 """LightningDataModule for loading DataLoaders with ease."""
 
-from collections.abc import Iterable
 import inspect
 import os
+from collections.abc import Iterable
 from typing import IO, Any, Optional, Union, cast
 
 from lightning_utilities import apply_to_collection