when compile RandLA error

[xsaxasni]

running install
running build
running build_ext
building 'nearest_neighbors' extension
gcc -pthread -B /home/ywh/anaconda3/envs/FFB6D/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I./ -I/home/ywh/anaconda3/envs/FFB6D/lib/python3.6/site-packages/numpy/core/include -I/home/ywh/anaconda3/envs/FFB6D/include/python3.6m -c knn.cxx -o build/temp.linux-x86_64-3.6/knn.o -std=c++11 -fopenmp
gcc: error: knn.cxx: 没有那个文件或目录
error: command 'gcc' failed with exit status 1
running build_ext

[xsaxasni]

cython 版本过高 改成0.29.15即可 然后就可skip

[kkkniu]

running install
running build
running build_ext
skipping 'knn.cpp' Cython extension (up-to-date)
running install_lib
running install_egg_info
Removing ./lib/python/KNN_NanoFLANN-0.0.0-py3.6.egg-info
Writing ./lib/python/KNN_NanoFLANN-0.0.0-py3.6.egg-info
running build_ext

Is it done now?