fix VerbosityZero check panic

[yangjunmyfm192085]

try to fix #4 (comment)

When Constants of value is defined in different files, there will be cases where it cannot be parsed directly.
it will trigger panic

[pohly]

I cannot reproduce the original problem anymore, so let's keep the code as it is.

/close

[k8s-ci-robot]

@pohly: Closed this PR.

In response to this:

I cannot reproduce the original problem anymore, so let's keep the code as it is.

/close

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[yangjunmyfm192085]

yeah, I agree.

[yangjunmyfm192085]

/reopen

[k8s-ci-robot]

@yangjunmyfm192085: Reopened this PR.

In response to this:

/reopen

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[yangjunmyfm192085]

/cc @pohly

[pohly]

/lgtm
/approve

Thanks for the persistence with which you tracked this down.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pohly, yangjunmyfm192085

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