round generation values

[peterdudfield]

Pull Request

Description

round api generation values
Helps with #102

How Has This Been Tested?

CI tests

• Yes

Checklist:

• My code follows OCF's coding style guidelines
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have checked my code and corrected any misspellings

[codecov]

Codecov Report

Merging #121 (144d7eb) into main (5c7d1a3) will increase coverage by 0.01%.
Report is 1 commits behind head on main.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #121      +/-   ##
==========================================
+ Coverage   94.46%   94.47%   +0.01%     
==========================================
  Files          11       11              
  Lines         542      543       +1     
==========================================
+ Hits          512      513       +1     
  Misses         30       30              

Files Changed	Coverage Δ
pv_site_api/__init__.py	100.00% <100.00%> (ø)
pv_site_api/convert.py	100.00% <100.00%> (ø)

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