Merge pull request #57314 from juju-solutions/fix/lb-lint

Automatic merge from submit-queue (batch tested with PRs 56947, 56349, 57140, 53686, 57314). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Fix lint errors on Juju LB

**What this PR does / why we need it**: This lint fixes block the build of the juju charms.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:


**Special notes for your reviewer**:

**Release note**:

```NONE

```
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Kubernetes Submit Queue 2017-12-18 12:24:46 -08:00 committed by GitHub
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@ -55,6 +55,7 @@ apilb_nginx = """/var/log/nginx.*.log {
endscript
}"""
@when('certificates.available')
def request_server_certificates(tls):
'''Send the data that is required to create a server certificate for