Add test for affine_registration and add interfaces to use for emc

Author: dPys

dmriprep/interfaces/registration.py

@@ -74,7 +74,7 @@ class _RegisterInputSpec(BaseInterfaceInputSpec):
         exists=True, mandatory=True, desc="image to apply transformation to"
     )
     nbins = traits.Int(default_value=32, usedefault=True)
-    sampling_prop = traits.Float(defualt_value=1, usedefault=True)
+    sampling_prop = traits.Float(default_value=1, usedefault=True)
     metric = traits.Str(default_value="MI", usedefault=True)
     level_iters = traits.List(
         trait=traits.Any(), value=[10000, 1000, 100], usedefault=True

dmriprep/utils/tests/test_registration.py

@@ -8,7 +8,7 @@
 
 def setup_module():
     global subset_b0, subset_dwi_data, subset_t2, subset_b0_img, \
-           subset_t2_img, gtab, hardi_affine, MNI_T2_affine
+        subset_t2_img, gtab, hardi_affine, MNI_T2_affine
     MNI_T2 = dpd.read_mni_template()
     hardi_img, gtab = dpd.read_stanford_hardi()
     MNI_T2_data = MNI_T2.get_fdata()