small fix

mvregfus/multiview.py

@@ -1672,7 +1672,7 @@ def affine_transform_dask(
 ):
 
  try:
- from cupy import asarray
+ from cupy import asarray, asnumpy
  import cupyx.scipy.ndimage as curr_ndimage
  gpu = True
  print('GPU acceleration for transformation')
@@ -1717,6 +1717,9 @@ def transform_chunk(x, matrix, offset, input, kwargs, block_info=None):
 
  input_relevant = input[input_relevant_slice]
 
+ if not np.min(input_relevant.shape):
+ return np.zeros(x.shape, dtype=x.dtype)
+
  # print('input_relevant_slice', input_relevant_slice)
 
  # modify offset due to cropped input
@@ -1746,7 +1749,7 @@ def transform_chunk(x, matrix, offset, input, kwargs, block_info=None):
  # **kwargs)
 
  if gpu:
- transformed_chunk = cp.asnumpy(transformed_chunk)
+ transformed_chunk = asnumpy(transformed_chunk)
 
  return transformed_chunk