Bugfix/samples

[vincentmr]

Before submitting

Please complete the following checklist when submitting a PR:

• All new features must include a unit test.
  If you've fixed a bug or added code that should be tested, add a test to the
  tests directory!

• All new functions and code must be clearly commented and documented.
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  render correctly by running make docs.

• Ensure that the test suite passes, by running make test.

• Add a new entry to the .github/CHANGELOG.md file, summarizing the
  change, and including a link back to the PR.

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Context:

Description of the Change:

Benefits:

Possible Drawbacks:

Related GitHub Issues:

[codecov]

Codecov Report

Attention: Patch coverage is 45.45455% with 30 lines in your changes are missing coverage. Please review.

Project coverage is 96.74%. Comparing base (ef0638a) to head (d56d049).

Files	Patch %	Lines
...ane_lightning/lightning_kokkos/lightning_kokkos.py	3.57%	27 Missing ⚠️
...ylane_lightning/lightning_qubit/lightning_qubit.py	71.42%	2 Missing ⚠️
pennylane_lightning/core/lightning_base.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@                 Coverage Diff                 @@
##           v0.35.0_release     #632      +/-   ##
===================================================
- Coverage            98.70%   96.74%   -1.96%     
===================================================
  Files                  169      169              
  Lines                24020    24027       +7     
===================================================
- Hits                 23708    23245     -463     
- Misses                 312      782     +470     

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