Fix lazy ignored in SpatialPadd (Project-MONAI#7316)

Fixes Project-MONAI#7314 Project-MONAI#7315.


### Types of changes
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [x] Non-breaking change (fix or new feature that would not break
existing functionality).
- [ ] Breaking change (fix or new feature that would cause existing
functionality to change).
- [ ] New tests added to cover the changes.
- [ ] Integration tests passed locally by running `./runtests.sh -f -u
--net --coverage`.
- [ ] Quick tests passed locally by running `./runtests.sh --quick
--unittests --disttests`.
- [ ] In-line docstrings updated.
- [ ] Documentation updated, tested `make html` command in the `docs/`
folder.

---------

Signed-off-by: YunLiu <55491388+KumoLiu@users.noreply.github.com>
Co-authored-by: Ben Murray <ben.murray@gmail.com>

monai/transforms/croppad/dictionary.py

@@ -221,9 +221,8 @@ def __init__(
  note that `np.pad` treats channel dimension as the first dimension.
 
  """
- LazyTransform.__init__(self, lazy)
  padder = SpatialPad(spatial_size, method, lazy=lazy, **kwargs)
- Padd.__init__(self, keys, padder=padder, mode=mode, allow_missing_keys=allow_missing_keys)
+ Padd.__init__(self, keys, padder=padder, mode=mode, allow_missing_keys=allow_missing_keys, lazy=lazy)
 
 
 class BorderPadd(Padd):
@@ -274,9 +273,8 @@ def __init__(
  note that `np.pad` treats channel dimension as the first dimension.
 
  """
- LazyTransform.__init__(self, lazy)
  padder = BorderPad(spatial_border=spatial_border, lazy=lazy, **kwargs)
- Padd.__init__(self, keys, padder=padder, mode=mode, allow_missing_keys=allow_missing_keys)
+ Padd.__init__(self, keys, padder=padder, mode=mode, allow_missing_keys=allow_missing_keys, lazy=lazy)
 
 
 class DivisiblePadd(Padd):
@@ -324,9 +322,8 @@ def __init__(
  See also :py:class:`monai.transforms.SpatialPad`
 
  """
- LazyTransform.__init__(self, lazy)
  padder = DivisiblePad(k=k, method=method, lazy=lazy, **kwargs)
- Padd.__init__(self, keys, padder=padder, mode=mode, allow_missing_keys=allow_missing_keys)
+ Padd.__init__(self, keys, padder=padder, mode=mode, allow_missing_keys=allow_missing_keys, lazy=lazy)
 
 
 class Cropd(MapTransform, InvertibleTransform, LazyTransform):

tests/padders.py

@@ -136,6 +136,9 @@ def pad_test_pending_ops(self, input_param, input_shape):
  # TODO: mode="bilinear" may report error
  overrides = {"mode": "nearest", "padding_mode": mode[1], "align_corners": False}
  result = apply_pending(pending_result, overrides=overrides)[0]
+ # lazy in constructor
+ pad_fn_lazy = self.Padder(mode=mode[0], lazy=True, **input_param)
+ self.assertTrue(pad_fn_lazy.lazy)
  # compare
  assert_allclose(result, expected, rtol=1e-5)
  if isinstance(result, MetaTensor) and not isinstance(pad_fn, MapTransform):