Fix warnings

[JoelPasvolsky]

Although GitHub renders ™️ in the SDK build there's a we recommend using the hybrid solvers in the Leap :tm: service message.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.37%. Comparing base (60bc45b) to head (c1800cd).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #127   +/-   ##
=======================================
  Coverage   92.37%   92.37%           
=======================================
  Files          19       19           
  Lines         590      590           
=======================================
  Hits          545      545           
  Misses         45       45           

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