Fix indents on examples for tensorflow

[tenzen-y]

Signed-off-by: Yuki Iwai [email protected]

What this PR does / why we need it:
I fixed indents on examples for tensorflow.

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

Checklist:

• Docs included if any changes are user facing

[coveralls]

Pull Request Test Coverage Report for Build 3936423213

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 11 unchanged lines in 2 files lost coverage.
• Overall coverage remained the same at 39.143%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/controller.v1/mpi/mpijob_controller.go	2	76.99%
pkg/controller.v1/pytorch/pytorchjob_controller.go	9	59.52%

Totals
Change from base Build 3894456879:	0.0%
Covered Lines:	2657
Relevant Lines:	6788

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 3936423213

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 11 unchanged lines in 2 files lost coverage.
• Overall coverage remained the same at 39.143%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/controller.v1/mpi/mpijob_controller.go	2	76.99%
pkg/controller.v1/pytorch/pytorchjob_controller.go	9	59.52%

Totals
Change from base Build 3894456879:	0.0%
Covered Lines:	2657
Relevant Lines:	6788

---

💛 - Coveralls

[johnugeorge]

/lgtm
/approve

[terrytangyuan]

Thanks!

/lgtm

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: johnugeorge, tenzen-y, terrytangyuan

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[tenzen-y]

@terrytangyuan @johnugeorge integration tests are flaky. Can you restart failed CI job?