diff --git a/platipy/imaging/label/fusion.py b/platipy/imaging/label/fusion.py
index a6bc3d4a..de384750 100644
--- a/platipy/imaging/label/fusion.py
+++ b/platipy/imaging/label/fusion.py
@@ -12,10 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from functools import reduce
+import warnings
+
 import numpy as np
 import SimpleITK as sitk
 
-from functools import reduce
 from scipy.stats import pearsonr
 from skimage.util.shape import view_as_windows
 from platipy.imaging.registration.utils import smooth_and_resample
diff --git a/platipy/imaging/projects/nnunet/run.py b/platipy/imaging/projects/nnunet/run.py
index 9044fe56..4cb2e1dd 100644
--- a/platipy/imaging/projects/nnunet/run.py
+++ b/platipy/imaging/projects/nnunet/run.py
@@ -78,7 +78,7 @@ def download_and_install_nnunet_task(task_name, zip_url):
     try:
         from nnunet.inference.pretrained_models.download_pretrained_model import install_model_from_zip_file
     except ImportError:
-            raise ImportError("nnUNet Library not found. Be sure to install platipy with the required extras: 'pip install platipy[cardiac]' or 'pip install platipy[nnunet]'")
+        raise ImportError("nnUNet Library not found. Be sure to install platipy with the required extras: 'pip install platipy[cardiac]' or 'pip install platipy[nnunet]'")
 
     logger.info("Installing Task %s from %s", task_name, zip_url)
     temp_dir = tempfile.mkdtemp()