introduce a copy into loading dicom on direction change, this enables direct...

introduce a copy into loading dicom on direction change, this enables direct conversion to torch tensors

mu_map/file/dicom.py

@@ -152,7 +152,7 @@ def to_direction(
         )
         dcm.SpacingBetweenSlices = -spacing_between_slices
 
-        image = image[::-1]
+        image = image[::-1].copy()
     return dcm, image