fix bmag

Author: josephmje

dmriprep/interfaces/reports.py

@@ -143,7 +143,7 @@ def _generate_segment(self):
         pe_direction = self.inputs.pe_direction
         shell_dist = self.inputs.shell_dist
         shell_dist_text = ", ".join(
-            f"{shell_dist[key]} directions at b={key} s/mm\u00B2"
+            f"{shell_dist[key]} directions at b={key} s/mm<sup>2</sup>"
             for key in shell_dist
         )
 

dmriprep/interfaces/vectors.py

@@ -20,7 +20,7 @@ class _CheckGradientTableInputSpec(BaseInterfaceInputSpec):
     in_rasb = File(exists=True, xor=["in_bval", "in_bvec"])
     b0_threshold = traits.Float(B0_THRESHOLD, usedefault=True)
     bvec_norm_epsilon = traits.Float(BVEC_NORM_EPSILON, usedefault=True)
-    b_mag = traits.Int(None, usedefault=True)
+    b_mag = traits.Either(None, traits.Int, usedefault=True)
     b_scale = traits.Bool(True, usedefault=True)