fix tensorboard version

[Borda]

What does this PR do?

Fixes #3011
Fixes #3033

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[Borda]

just thinking, all tests are passing... what was the failing case?

[codecov]

Codecov Report

Merging #3132 into master will decrease coverage by 5%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #3132    +/-   ##
=======================================
- Coverage      90%     85%    -5%     
=======================================
  Files         104      98     -6     
  Lines        8126    8073    -53     
=======================================
- Hits         7314    6898   -416     
- Misses        812    1175   +363     

[pep8speaks]

Hello @Borda! Thanks for updating this PR.

• In the file tests/loggers/test_tensorboard.py:

Line 38:1: W293 blank line contains whitespace
Line 52:1: W293 blank line contains whitespace

Comment last updated at 2020-09-15 18:40:02 UTC

[mergify]

This pull request is now in conflict... :(

[Borda]

this seems quite unrelated...

        # verify tb logs
>       event_acc = EventAccumulator(folder_path)
E       NameError: name 'EventAccumulator' is not defined

[Borda]

this is a funny dependency, PT made it as optional as we do... so we cannot drop it :(
File "/Users/runner/hostedtoolcache/Python/3.6.12/x64/lib/python3.6/site-packages/torch/utils/tensorboard/__init__.py", line 1, in <module>

[mergify]

This pull request is now in conflict... :(

[SkafteNicki]

LGTM

[mergify]

This pull request is now in conflict... :(

[Borda]

seems only Horovod id failing, unrelated to this PR

FAILED tests/models/test_horovod.py::test_horovod_cpu - assert 1 == 0
FAILED tests/models/test_horovod.py::test_horovod_cpu_implicit - assert 1 == 0