issues: 181340410

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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
181340410 MDU6SXNzdWUxODEzNDA0MTA= 1040 DataArray.diff dim argument should be optional as is in docstring 941907 closed 0     7 2016-10-06T07:14:50Z 2020-03-28T18:18:21Z 2020-03-28T18:18:21Z NONE      

The dosctring of DataArray.diff lists the dim arg as optional, but it isn't. IMHO it should indeed be optional as it is quite convenient to apply diff to 1D signals without specifying the dimension.

 
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   completed 13221727 issue

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