2744 R Language Wrapper Fix for JSON requests

[axsaucedo]

Fixes #2744

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[seldondev]

Wed Jan 13 17:16:24 UTC 2021
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-2837/2.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2837 --build=2

[seldondev]

Wed Jan 13 17:16:27 UTC 2021
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-2837/1.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2837 --build=1

[axsaucedo]

Tested working with @omerfsen so approving
/approve

[seldondev]

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[seldondev]

Sat Jan 16 07:13:57 UTC 2021
The logs for [pr-build] [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-2837/3.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2837 --build=3

[seldondev]

Sat Jan 16 07:13:57 UTC 2021
The logs for [lint] [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-2837/4.log

impatient try
jx get build logs SeldonIO/seldon-core/PR-2837 --build=4