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

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

Author: pre-commit-ci[bot]

tests/test_trt_compile.py

@@ -19,7 +19,7 @@
 
 from monai.handlers import TrtHandler
 from monai.networks import trt_compile
-from monai.networks.nets import UNet, cell_sam_wrapper, vista3d132
+from monai.networks.nets import cell_sam_wrapper, vista3d132
 from monai.utils import min_version, optional_import
 from tests.utils import skip_if_no_cuda, skip_if_quick, skip_if_windows