fix for terraform module index out of range

[marceldevroed]

related issue: #7314

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Fixes # (issue)

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[cgunston]

Hi @marceldevroed

Thanks for linking to my issue and for fixing.

Why was the PR closed without merging?

Many thanks
Callum

[marceldevroed]

@cgunston I need to add tests for this specific problem. Most likely will get that done this week.