Update mview_mperson_topdown_estimator.py

[danielrogel]

fixed import

[CLAassistant]

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[codecov-commenter]

Codecov Report

Merging #134 (36b9cc0) into main (e1195e5) will not change coverage.
The diff coverage is n/a.

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@@           Coverage Diff           @@
##             main     #134   +/-   ##
=======================================
  Coverage   60.53%   60.53%           
=======================================
  Files         179      179           
  Lines       11253    11253           
=======================================
  Hits         6812     6812           
  Misses       4441     4441           

Flag	Coverage Δ
unittests	60.53% <ø> (ø)

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[LazyBusyYang]

Thank you for your contribution! Merging is blocked by Contributor License Agreement, please sign it before we can accept your contribution.

[yl-1993]

@danielrogel Thanks for the contribution! Would you please kindly sign the CLA before merging?