[bug/feat] Support parameters_to_ignore in DDP

[tchaton]

What does this PR do?

This PR resolves a bug with DDP where parameters_to_ignore wasn't properly set from module to DDP wrapper.

Fixes #<issue_number>

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[pep8speaks]

Hello @tchaton! Thanks for updating this PR.

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

Comment last updated at 2021-04-27 17:22:38 UTC

[codecov]

Codecov Report

Merging #7239 (c4478bb) into master (f920ba2) will decrease coverage by 0%.
The diff coverage is 100%.

@@          Coverage Diff           @@
##           master   #7239   +/-   ##
======================================
- Coverage      91%     91%   -0%     
======================================
  Files         198     198           
  Lines       12723   12748   +25     
======================================
+ Hits        11632   11634    +2     
- Misses       1091    1114   +23     

[ethanwharris]

LGTM 😃

[ananthsub]

good catch!

[kaushikb11]

LGTM!