Merge branch 'master' into master

Author: hzxie

setup.py

@@ -67,7 +67,7 @@ def get_cmdclass():
 requirements = ["torch>=1.1.0", "numba", "scikit-learn"]
 
 url = "https://github.com/nicolas-chaulet/torch-points-kernels"
-__version__ = "0.6.6"
+__version__ = "0.6.7"
 setup(
     name="torch-points-kernels",
     version=__version__,