feat: support for 3.7 (workaround)

[tomplus]

Python 3.7 treats async as a reserved keywords. Unfortunately this phrase is used by swagger-codegen to call function in the asynchronous way (in a thread pool). I've created a fix for swagger-codegen (use async_req instead of async): swagger-api/swagger-codegen#8401. Because merge and upgrade may take some time so here I send simple workaround.

Please be aware that is breaking change. API calls will have different arguments (async_req).

Before:

thread = api.create_namespaced_deployment(namespace, my_dep, async=True)

After:

thread = api.create_namespaced_deployment(namespace, my_dep, async_req=True)

Related issue: kubernetes-client/python#558

[tomplus]

cc: @roycaihw @mbohlool

[brendandburns]

This LGTM, @mbohlool any comments? I'll merge in 1-2 days if I don't hear anything...

[roycaihw]

/lgtm

[k8s-ci-robot]

@roycaihw: changing LGTM is restricted to assignees, and only kubernetes-client/gen repo collaborators may be assigned issues.

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/lgtm

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[yliaog]

/lgtm

[k8s-ci-robot]

@yliaog: changing LGTM is restricted to assignees, and only kubernetes-client/gen repo collaborators may be assigned issues.

In response to this:

/lgtm

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.