pip install later rtree fail

Because rtree is called the c interface to https://libspatialindex.org/install.html download the corresponding version, linux or windows are installed to

mkdir build
cd build
cmake ..
make 
make install
ldconfig

If you have an error,

OSError: libspatialindex_c.so.4: cannot open shared object file: No such file or directory

https://www.cnblogs.com/kaituorensheng/p/4948046.html

cd /etc/ld.so.conf.d/ 

Manually add / usr / local / lib /