test: write 2 points in example.py

[matleg]

Closes #

Proposed Changes

Create and write 2 points instead of one in the example.py file.

Previously, the second write (with the line_protocol) erased the first write (with the Point structure) as timestamps are the same. Besides, the WritePrecision.MS made the line_protocol time conversion to somewhere in February 1970 (at time of writing), instead of current date & time.

So it is proposed here to write two distinct points to improve example understanding, and remove the WritePrecision.MS when writing with line_protocol, as is done in other examples, in order to write both points at the timestamp of execution.

Checklist

• Rebased/mergeable
• Commit messages are conventional

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.20%. Comparing base (ab16384) to head (c250e8e).

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #683      +/-   ##
==========================================
- Coverage   90.28%   90.20%   -0.08%     
==========================================
  Files          40       40              
  Lines        3541     3533       -8     
==========================================
- Hits         3197     3187      -10     
- Misses        344      346       +2     

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[vlastahajek]

Thanks for the PR.
LGTM