nitpick: fix readme toy example

[deependujha]

Before submitting

• Was this discussed/agreed via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

What does this PR do?

Fixes readme toy example

PR review

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If we didn't discuss your PR in GitHub issues there's a high chance it will not be merged.

Did you have fun?

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84%. Comparing base (38eab58) to head (8ff5610).
Report is 1 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (38eab58) and HEAD (8ff5610). Click for more details.

HEAD has 12 uploads less than BASE

Flag	BASE (38eab58)	HEAD (8ff5610)
unittests	10	1
integrations	3	0

Additional details and impacted files

@@        Coverage Diff         @@
##           main   #95   +/-   ##
==================================
- Coverage    89%   84%   -6%     
==================================
  Files        12    12           
  Lines       482   481    -1     
==================================
- Hits        431   403   -28     
- Misses       51    78   +27     

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