Unmask "packaging module missing" error

[rostskadat]

When the packaging module is missing the error will be masked because we try to use self.module before it has been initialized

Related Issue

NA -

New Behavior

This change make sure that the real error (missing packaging module) is not masked by an error arising from the use-before-initialization of the self.module attribute

Contrast to Current Behavior

The old behavior masked the error and made troubleshooting harder

Discussion: Benefits and Drawbacks

NA

Changes to the Documentation

NA

Proposed Release Note Entry

Fixed use-before-initialization for self.module

Double Check

• [X ] I have read the comments and followed the CONTRIBUTING.md.
• [ X] I have explained my PR according to the information in the comments or in a linked issue.
• [ X] My PR targets the devel branch.

[sc68cal]

Great catch thank you