Tidy up Async await code

[adam-fowler]

No description provided.

[codecov]

Codecov Report

Merging #98 (cbd4bf2) into main (5ef2d05) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #98   +/-   ##
=======================================
  Coverage   82.57%   82.57%           
=======================================
  Files          53       53           
  Lines        2599     2599           
=======================================
  Hits         2146     2146           
  Misses        453      453           

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