Add a close method to InferenceData

[lucianopaz]

Closes #2337

Description

Adds a close method to arviz.InferenceData that simply extends from xarray.Dataset.close.

Checklist

• Follows official PR format
• Includes a sample plot to visually illustrate the changes (only for plot-related functions)
• New features are properly documented (with an example if appropriate)?
• Includes new or updated tests to cover the new feature
• Code style correct (follows pylint and black guidelines)
• Changes are listed in changelog

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📚 Documentation preview 📚: https://arviz--2338.org.readthedocs.build/en/2338/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.84%. Comparing base (dbef460) to head (4ce5550).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2338   +/-   ##
=======================================
  Coverage   86.84%   86.84%           
=======================================
  Files         123      123           
  Lines       12744    12745    +1     
=======================================
+ Hits        11067    11068    +1     
  Misses       1677     1677           

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[michaelosthege]

Would it help to call this in the objects destructor method automatically?

def __del__(self):
    self.close()

[lucianopaz]

Would it help to call this in the objects destructor method automatically?

def __del__(self):
    self.close()

Yes, I think so. I'll add a commit that does that.

[OriolAbril]

This seems to be generating an infinite loop. It's probably best to not call it at delete time. It should also be added to https://github.com/arviz-devs/arviz/blob/main/doc/source/api/inference_data.rst?plain=1#L26