issues: 754283496

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
754283496 MDExOlB1bGxSZXF1ZXN0NTMwMjA5NzE4 4633 change default in ds.chunk and datarray.chunk variable.chunk 35919497 closed 0     2 2020-12-01T10:48:11Z 2020-12-10T10:38:06Z 2020-12-10T10:38:06Z COLLABORATOR   0 pydata/xarray/pulls/4633

The aim is to split the PR #4595 in small PRs. The scope of this smaller PR is to modify the default of chunks in dataset.chunk to align the behaviour to xr.open_dataset. The main changes are: - Modify the default of chunk in dataset.chunk, datarray.chunk and variable.chunk from None to {}. - If the user pass chunk=None inside is set to {} - Add a future warning to advice that the usage of None will raise an error in the future.

Note that the changes currently don't modify the behaviour of dataset.chunk

  • [x] Related #4496
  • [x] Passes isort . && black . && mypy . && flake8
 
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