TYPE: Address AreaOfInterest type complaints

[snowman2]

No description provided.

[codecov]

Codecov Report

Merging #541 (8645b39) into master (15393ad) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #541   +/-   ##
=======================================
  Coverage   96.22%   96.22%           
=======================================
  Files          13       13           
  Lines        1591     1591           
=======================================
  Hits         1531     1531           
  Misses         60       60           

Impacted Files	Coverage Δ
rioxarray/rioxarray.py	96.94% <100.00%> (ø)

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[snowman2]

Thanks @justingruca 👍