fix: serialize sequence hint

[enitrat]

Closes #891

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.24%. Comparing base (d0a738e) to head (15bb84f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #892   +/-   ##
=======================================
  Coverage   78.24%   78.24%           
=======================================
  Files          64       64           
  Lines       16746    16746           
=======================================
  Hits        13103    13103           
  Misses       3643     3643           

Flag	Coverage Δ
ci	78.24% <ø> (?)

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