Merge pull request #79 from torch-points3d/pre-commit-ci-update-config

[pre-commit.ci] pre-commit autoupdate

Author: nicolas-chaulet

.pre-commit-config.yaml

@@ -9,7 +9,7 @@ repos:
       - id: end-of-file-fixer
 
   - repo: https://github.com/psf/black
-    rev: 21.7b0
+    rev: 21.9b0
     hooks:
       - id: black
         language_version: python3.7