Update sdcflows/workflows/fit/syn.py

Co-authored-by: Oscar Esteban <[email protected]>

Author: effigies

sdcflows/workflows/fit/syn.py

@@ -594,7 +594,7 @@ def _remove_first_mask(in_file):
     return workflow
 
 
-def _warp_dir(moving_image, fixed_image, pe_dir, nlevels=3):
+def _warp_dir(moving_image, fixed_image, pe_dir, nlevels=2):
     """Extract the ``restrict_deformation`` argument from metadata."""
     import numpy as np
     import nibabel as nb