Revert ants registration output tuple name

Author: kaitj

src/rbc/core/anatomical/registration.py

@@ -21,15 +21,15 @@
 _PREFIX = "ants_reg"
 
 
-class Transforms(NamedTuple):
-    """Forward and inverse composite transformation paths."""
+class CompositeTransforms(NamedTuple):
+    """Transformed brain nifti, forward and inverse composite transformation paths."""
 
     brain: Path
     forward: Path
     inverse: Path
 
 
-def ants_registration(in_file: Path, seed: int = CPAC_ANTS_SEED) -> Transforms:
+def ants_registration(in_file: Path, seed: int = CPAC_ANTS_SEED) -> CompositeTransforms:
     """Register a skull-stripped T1w to the MNI152 1 mm template with ANTs.
 
     Runs a three-stage registration (Rigid -> Affine -> SyN) and then
@@ -165,7 +165,7 @@ def ants_registration(in_file: Path, seed: int = CPAC_ANTS_SEED) -> Transforms:
             print_out_composite_warp_file=True,
         ),
     )
-    return Transforms(
+    return CompositeTransforms(
         brain=registration.root / f"{_PREFIX}_Warped.nii.gz",
         forward=fwd.output.output_image_outfile,
         inverse=rev.output.output_image_outfile,