[bugfix] DeepSpeed with no schedulers

[tchaton]

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[pep8speaks]

Hello @tchaton! 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 2021-07-27 14:29:09 UTC

[codecov]

Codecov Report

Merging #8580 (cfa72b7) into master (c5167e9) will decrease coverage by 4%.
The diff coverage is 0%.

@@           Coverage Diff           @@
##           master   #8580    +/-   ##
=======================================
- Coverage      92%     88%    -4%     
=======================================
  Files         218     218            
  Lines       14403   14412     +9     
=======================================
- Hits        13299   12712   -587     
- Misses       1104    1700   +596     

[SeanNaren]

great fix, thanks @tchaton!

[awaelchli]

LGTM

the chlog will have to move up after the recent 1.4 release :)

[kaushikb11]

the chlog will have to move up after the recent 1.4 release :)

I haven't published the release yet. Will add this as well.