Fix pickling issue of ndarray subclasses so they can be passed from parallel processes

[shoubhikraj]

Overrides the __reduce__ and __setstate__ functions of ndarray in the subclass to include additional instance attributes included in the subclass.

Fixes #221

TODO

• [ ] Are *args, **kwargs needed in __setstate__?
• [ ] Fix any other objects in autodE that are subclassed from ndarray

[t-young31]

haha – this is included in https://github.com/duartegroup/autodE/pull/215! see: https://github.com/duartegroup/autodE/blob/37c67f4c3f1d0ac4445967ded2aac3bc9584878f/autode/values.py#L620

[codecov[bot]]

Codecov Report

Merging #222 (bb2ad27) into master (ab7c768) will increase coverage by 0.00%. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #222   +/-   ##
=======================================
  Coverage   97.00%   97.00%           
=======================================
  Files         195      195           
  Lines       19944    19951    +7     
=======================================
+ Hits        19346    19353    +7     
  Misses        598      598           

Flag	Coverage Δ
unittests	97.00% <100.00%> (+<0.01%)	:arrow_up:

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Impacted Files	Coverage Δ
autode/values.py	99.63% <100.00%> (+<0.01%)	:arrow_up:

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[shoubhikraj]

@t-young31 Ahh I guess I missed that. Closing this.