To fix scaledown error, upgrade PyTorch version to v1.13.1 in echo example

[tenzen-y]

Signed-off-by: Yuki Iwai yuki.iwai.tz@gmail.com

What this PR does / why we need it:
I upgraded PyTorch version to v1.13.1 to fix the scaledown error in echo example.

Which issue(s) this PR fixes (optional, in Fixes #<issue number>, #<issue number>, ... format, will close the issue(s) when PR gets merged):
Fixes #1504

Checklist:

• Docs included if any changes are user facing

[coveralls]

Pull Request Test Coverage Report for Build 3970648635

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.2%) to 39.423%

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Totals
Change from base Build 3969930919:	0.2%
Covered Lines:	2676
Relevant Lines:	6788

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💛 - Coveralls

[johnugeorge]

@tenzen-y Curious. What was the change in 1.13.1 that fixed the error?

[tenzen-y]

@tenzen-y Curious. What was the change in 1.13.1 that fixed the error?

@johnugeorge This is a bug reported in PyTorch community.

ref: pytorch/pytorch#67742

So, by upgrading the PyTorch version, we can fix that errors.

[johnugeorge]

/lgtm
/approve

[google-oss-prow]

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[tenzen-y]

@johnugeorge Can you restart failed Job?