Fix tensorflow prediction from explainer

[ukclivecox]

What this PR does / why we need it:

• Fixes the calling of a tensorflow model via seldon for the explainer wrapper

Which issue(s) this PR fixes:

Fixes #2664

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[seldondev]

Thu Nov 19 14:45:54 UTC 2020
The logs for [pr-build] [1] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/1.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=1

[seldondev]

Thu Nov 19 14:46:17 UTC 2020
The logs for [lint] [2] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/2.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=2

[ukclivecox]

/test notebooks

[seldondev]

Thu Nov 19 15:30:29 UTC 2020
The logs for [notebooks] [3] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/3.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=3

[SachinVarghese]

/lgtm

[axsaucedo]

/approve

[axsaucedo]

Seems notebooks test is again stuck on tracing test:

release "seldon-core-analytics" uninstalled
FAILED
test_notebooks.py::TestNotebooks::test_tracing [NbConvertApp] Converting notebook ../../examples/models/tracing/tracing.ipynb to script
[NbConvertApp] Writing 4792 bytes to ../../examples/models/tracing/tracing.py

Stopping manually and re-running. also opening an issue as it seems this is happening a few times.
/test notebooks

[seldondev]

Thu Nov 19 21:07:39 UTC 2020
The logs for [notebooks] [4] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/4.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=4

[axsaucedo]

/test notebooks

[seldondev]

Fri Nov 20 09:39:09 UTC 2020
The logs for [notebooks] [5] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/5.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=5

[seldondev]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: axsaucedo, SachinVarghese

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• OWNERS [SachinVarghese,axsaucedo]

Approvers can indicate their approval by writing /approve in a comment
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[seldondev]

Fri Nov 20 10:15:39 UTC 2020
The logs for [lint] [7] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/7.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=7

[seldondev]

Fri Nov 20 10:15:37 UTC 2020
The logs for [pr-build] [6] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/6.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=6

[seldondev]

Fri Nov 20 10:35:13 UTC 2020
The logs for [pr-build] [8] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/8.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=8

[seldondev]

Fri Nov 20 10:35:21 UTC 2020
The logs for [lint] [9] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/9.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=9

[ukclivecox]

/test notebooks

[seldondev]

Fri Nov 20 10:45:25 UTC 2020
The logs for [notebooks] [10] will show after the pipeline context has finished.
https://github.com/SeldonIO/seldon-core/blob/gh-pages/jenkins-x/logs/SeldonIO/seldon-core/PR-2671/10.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2671 --build=10

[seldondev]

@cliveseldon: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
notebooks	a696a42	link	/test notebooks

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[ukclivecox]

Merging as notebook failures are no to do with this PR.