Assign default value for tokens

[alecandido]

It took me a moment, to make the connection, but the fix was very simple, so I could have added to #11.

Closes #12

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.47%. Comparing base (8453d9c) to head (8453d9c).

❗ Current head 8453d9c differs from pull request most recent head 94fbb57. Consider uploading reports for the commit 94fbb57 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           workflows      #13   +/-   ##
==========================================
  Coverage      89.47%   89.47%           
==========================================
  Files              3        3           
  Lines             57       57           
==========================================
  Hits              51       51           
  Misses             6        6           

Flag	Coverage Δ
unittests	89.47% <0.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.