It seems that the minimum GEOS version warning block is not ended properly.
Sphinx also emits a warning, I think it is related:
pygeos/strtree.py:docstring of pygeos.strtree.STRtree.nearest_all:27: WARNING: Block quote ends without a blank line; unexpected unindent.
See https://pygeos.readthedocs.io/en/latest/strtree.html
It seems that the minimum GEOS version warning block is not ended properly.
Sphinx also emits a warning, I think it is related: