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

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

Author: pre-commit-ci[bot]

torch_geometric/distributed/dist_link_neighbor_loader.py

@@ -1,5 +1,6 @@
 from typing import Callable, Dict, List, Optional, Tuple, Union
 from warnings import warn
+
 import torch
 
 from torch_geometric.distributed import (