fix(pep8): pacify flake8

Author: oesteban

nitransforms/io/itk.py

@@ -2,7 +2,6 @@
 import warnings
 import numpy as np
 from scipy.io import savemat as _save_mat
-from nibabel.loadsave import load as loadimg
 from nibabel.affines import from_matvec
 from .base import (
     BaseLinearTransformList,

nitransforms/tests/test_io.py

@@ -323,6 +323,7 @@ def _mockreturn(arg):
             with open('val.mat', 'rb') as f:
                 _read_mat(f)
 
+
 @pytest.mark.parametrize('sw_tool', ['afni'])
 def test_Displacements(sw_tool):
     """Test displacements fields."""