Disallow noise_std as list

[hvarfner]

Differential Revision: D90777058

[meta-codesync]

@hvarfner has exported this pull request. If you are a Meta employee, you can view the originating Diff in D90777058.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.72%. Comparing base (7bce65b) to head (70f4dd9).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4770   +/-   ##
=======================================
  Coverage   96.72%   96.72%           
=======================================
  Files         583      583           
  Lines       60860    60856    -4     
=======================================
- Hits        58866    58864    -2     
+ Misses       1994     1992    -2     

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[meta-codesync]

This pull request has been merged in 5228d8b.