starfish TransformsList modified by ApplyTransform.Warp.run()

starfish_transforms_bug.py

# %matplotlib inline
# %gui qt

from starfish import Experiment, FieldOfView, display
from starfish.image import ApplyTransform, LearnTransform
from starfish.types import Axes

# load RNAScope data
experiment = Experiment.from_json('https://d26bikfyahveg8.cloudfront.net/RNAScope/formatted/experiment.json')
imgs = experiment["fov_000"].get_image(FieldOfView.PRIMARY_IMAGES)
dapi = experiment["fov_000"].get_image('nuclei')

# learn transforms
learn_translation = LearnTransform.Translation(reference_stack=dapi.sel({Axes.ROUND: 0}), axes=Axes.ROUND, upsampling=1000)
transforms_list = learn_translation.run(dapi)

# transforms before applying
print(transforms_list)

# apply transform
warp = ApplyTransform.Warp()
warp.run(imgs, transforms_list=transforms_list, in_place=True)

# transforms after applying
print(transforms_list)

# now applying transform throws error
warp.run(dapi, transforms_list=transforms_list, in_place=True)