Update dmriprep/utils/images.py

Co-Authored-By: Oscar Esteban <[email protected]>

Author: josephmje

dmriprep/utils/images.py

@@ -61,6 +61,7 @@ def median(in_file, dtype=None, out_path=None):
 
     hdr = img.header.copy()
     hdr.set_xyzt_units('mm')
-    hdr.set_data_dtype(np.float32)
+    if dtype is not None:
+        hdr.set_data_dtype(dtype)
     nb.Nifti1Image(median_data, img.affine, hdr).to_filename(out_path)
     return out_path