fix[lang]: prevent modules as storage variables

[charles-cooper]

prevent modules being initialized as storage variables.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.35%. Comparing base (bb9129a) to head (5a0d29d).
Report is 38 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4088      +/-   ##
==========================================
- Coverage   91.24%   90.35%   -0.89%     
==========================================
  Files         109      109              
  Lines       15548    15548              
  Branches     3416     3416              
==========================================
- Hits        14186    14048     -138     
- Misses        928     1039     +111     
- Partials      434      461      +27     

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