Fix issue 84: Update _load_azure_token to hande str and int

[rogerhmar]

Fix bug by first checking if it is a digit

Add tests for:

• time str
• int
• illegal str
• illegal int

There were several pull requests on this, but none seem to have tests.

This should fix #84

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[codecov-io]

Codecov Report

Merging #141 into master will increase coverage by 0.58%.
The diff coverage is 96.66%.

@@            Coverage Diff             @@
##           master     #141      +/-   ##
==========================================
+ Coverage   92.86%   93.44%   +0.58%     
==========================================
  Files          13       13              
  Lines        1345     1374      +29     
==========================================
+ Hits         1249     1284      +35     
+ Misses         96       90       -6

Impacted Files	Coverage Δ
config/kube_config_test.py	95.19% <100%> (+0.25%)	⬆️
config/kube_config.py	88.15% <85.71%> (+1.79%)	⬆️

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[rogerhmar]

@roycaihw and @yliaog: Do you have the time to look at this?

[yliaog]

/lgtm
/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rogerhmar, yliaog

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[Sephtex]

For which version of the kubernetes pip package will this fix be available? I need the openshift-0.9.0 package which I have installed and it has kubernetes-9.0.0 as dependency. I updated kubernetes to v10.0.0 and I couldn't find the fix yet. I suppose this fix will land in 9.0.0?

[yliaog]

it will land in the next release. the current release is v10.0.0. so v11.0.0 should have it