Consider using hypothesis

[deeplook]

Would seem to make a lot of sense especially together with its hypothesis-geojson plugin (although apparently no more maintained recently):

• https://github.com/HypothesisWorks/hypothesis
• https://github.com/HypothesisWorks/hypothesis/tree/master/hypothesis-python
• https://hypothesis.readthedocs.io/en/latest/
• https://github.com/mapbox/hypothesis-geojson