Fix dictionary + numeric tower edge cases introduced by new primitive API

[brentyi]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.77%. Comparing base (6552337) to head (ab6914f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #192   +/-   ##
=======================================
  Coverage   99.77%   99.77%           
=======================================
  Files          28       28           
  Lines        2242     2244    +2     
=======================================
+ Hits         2237     2239    +2     
  Misses          5        5           

Flag	Coverage Δ
unittests	99.77% <100.00%> (+<0.01%)	⬆️

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