fix documentation building

[PythonFZ]

No description provided.

[codecov]

Codecov Report

Merging #300 (75150df) into main (ec5bb49) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #300   +/-   ##
=======================================
  Coverage   71.49%   71.49%           
=======================================
  Files          29       29           
  Lines        1319     1319           
  Branches      262      262           
=======================================
  Hits          943      943           
  Misses        346      346           
  Partials       30       30           

Flag	Coverage Δ
unittests	71.49% <ø> (ø)

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

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update ec5bb49...75150df. Read the comment docs.