MAINT: simplify importing

[Zeroto521]

No description provided.

[codecov]

Codecov Report

Merging #343 (af564e3) into master (0583c43) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #343   +/-   ##
=======================================
  Coverage   99.65%   99.65%           
=======================================
  Files          26       26           
  Lines         577      577           
  Branches       81       81           
=======================================
  Hits          575      575           
  Partials        2        2           

Impacted Files	Coverage Δ
dtoolkit/accessor/_util.py	100.00% <100.00%> (ø)
dtoolkit/accessor/dataframe.py	97.59% <100.00%> (ø)
dtoolkit/accessor/series.py	100.00% <100.00%> (ø)
dtoolkit/geoaccessor/accessor.py	100.00% <100.00%> (ø)
dtoolkit/geoaccessor/geoseries.py	100.00% <100.00%> (ø)

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