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

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Author: pre-commit-ci[bot]

monai/networks/blocks/upsample.py

@@ -17,7 +17,7 @@
 import torch.nn as nn
 
 from monai.networks.layers.factories import Conv, Pad, Pool
-from monai.networks.utils import CastTempType, icnr_init, pixelshuffle
+from monai.networks.utils import icnr_init, pixelshuffle
 from monai.utils import InterpolateMode, UpsampleMode, ensure_tuple_rep, look_up_option
 
 __all__ = ["Upsample", "UpSample", "SubpixelUpsample", "Subpixelupsample", "SubpixelUpSample"]