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

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

Author: pre-commit-ci[bot]

ocf_datapipes/training/pvnet_site.py

@@ -6,9 +6,8 @@
 import xarray as xr
 from torch.utils.data import IterDataPipe, functional_datapipe
 from torch.utils.data.datapipes.iter import IterableWrapper
-from ocf_datapipes.batch import BatchKey, NumpyBatch
 
-from ocf_datapipes.batch import MergeNumpyModalities, MergeNWPNumpyModalities
+from ocf_datapipes.batch import BatchKey, MergeNumpyModalities, MergeNWPNumpyModalities
 from ocf_datapipes.training.common import (
     DatapipeKeyForker,
     _get_datapipes_dict,

ocf_datapipes/training/windnet.py

@@ -123,7 +123,6 @@ def __init__(self, filenames: List[str], keys: List[str]):
 
     def __iter__(self):
         """Iterate through each filename, loading it, uncombining it, and then yielding it"""
-        import numpy as np
 
         while True:
             for filename in self.filenames: