Fix small errors in examples/ code

[jakobnissen]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.80%. Comparing base (50c764f) to head (7345398).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master       #6   +/-   ##
=======================================
  Coverage   98.80%   98.80%           
=======================================
  Files           4        4           
  Lines         167      168    +1     
=======================================
+ Hits          165      166    +1     
  Misses          2        2           

Flag	Coverage Δ
unittests	98.80% <100.00%> (+<0.01%)	⬆️

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