speedup of in_faces and memory releave

.pre-commit-config.yaml

 repos:
 -   repo: https://github.com/ambv/black
-    rev: stable
+    rev: 21.6b0
     hooks:
     - id: black
       language_version: python3.6
 -   repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.3
+    rev: 3.9.2
     hooks:
     - id: flake8
 -   repo: https://github.com/pre-commit/pre-commit-hooks 
-    rev: v3.1.0
+    rev: v4.0.1
     hooks:
     - id: check-json
     - id: pretty-format-json
@@ -21,6 +21,6 @@ repos:
     - id: detect-private-key
     - id: end-of-file-fixer
 -   repo: https://github.com/asottile/blacken-docs
-    rev: v1.7.0
+    rev: v1.10.0
     hooks:
     - id: blacken-docs