Warn about time.sleep

[jmthomas]

closes #3474

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.23%. Comparing base (e8b541f) to head (244f655).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3476   +/-   ##
=======================================
  Coverage   79.23%   79.23%           
=======================================
  Files         689      689           
  Lines       57293    57293           
  Branches      728      728           
=======================================
+ Hits        45396    45397    +1     
+ Misses      11819    11818    -1     
  Partials       78       78           

Flag	Coverage Δ
python	80.29% <ø> (+<0.01%)	⬆️
ruby-api	81.06% <ø> (ø)
ruby-backend	83.09% <ø> (ø)

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud