Make sure we're nil-safe

[FollowTheProcess]

Description

Motivation and Context

Closes #

How Has This Been Tested?

Checklist

• I have updated the documentation if needed.
• I have updated the tests if needed.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 14 lines in your changes missing coverage. Please review.

Project coverage is 73.80%. Comparing base (64b8702) to head (fc58b03).

Files	Patch %	Lines
command.go	0.00%	7 Missing and 7 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #7      +/-   ##
==========================================
- Coverage   83.03%   73.80%   -9.23%     
==========================================
  Files           2        2              
  Lines         112      126      +14     
==========================================
  Hits           93       93              
- Misses         15       22       +7     
- Partials        4       11       +7     

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