fix: Enable manual optimization for TPUs

[kaushikb11]

What does this PR do?

Fixes #6503

Does your PR introduce any breaking changes? If yes, please list them.

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[codecov]

Codecov Report

Merging #8458 (4362af2) into master (35a6a6c) will not change coverage.
The diff coverage is 0%.

@@          Coverage Diff           @@
##           master   #8458   +/-   ##
======================================
  Coverage      88%     88%           
======================================
  Files         218     218           
  Lines       14397   14397           
======================================
  Hits        12676   12676           
  Misses       1721    1721           

[pep8speaks]

Hello @kaushikb11! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2021-07-21 12:17:29 UTC

[tchaton]

LGTM !