Merge pull request #571 from ANTsX/chain-decrop-image

allow decrop_image to be chained

ants/core/ants_image.py

@@ -611,7 +611,7 @@ def __repr__(self):
     for k, v in utils.__dict__.items():
         if callable(v):
             args = inspect.getfullargspec(getattr(utils,k)).args
-            if (len(args) > 0) and (args[0] in {'img','image'}):
+            if (len(args) > 0) and (args[0] in {'img','image','cropped_image'}):
                 setattr(ANTsImage, k, partialmethod(v))
 
     for k, v in registration.__dict__.items():