Code review comment for ~chad.smith/cloud-init:fix-modules-cmdline-help

Thanks your your merge proposal.
Your branch /fix-modules-cmdline-help, needs a commit message which observes our git commit message format
guidelines before it can be reviewed and landed.

1. All lines must be less than 74 characters.
2. The commit message should adhere to git commit message format:

A one-liner subject line

More detailed paragraphs describing the functional changes of the
branch.

LP: #<bug-id> # if it fixes a specific bug

We discovered the following issues:
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Commit message lints:
 - Commit message line #4 has 71 too many characters.Line begins with: "which caused a traceback"...
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Please set the branch back to 'Needs Review' after resolving these issues with
your commit message.

Thanks again,
Your friendly neighborhood cloud-init robot.