pre-commit bump isort version (#894)

Author: robsdedude

.pre-commit-config.yaml

@@ -20,7 +20,7 @@ repos:
       - id: trailing-whitespace
         args: [ --markdown-linebreak-ext=md ]
   - repo: https://github.com/pycqa/isort
-    rev: 5.10.1
+    rev: 5.12.0
     hooks:
       - id: isort
   - repo: https://github.com/sphinx-contrib/sphinx-lint

CONTRIBUTING.md

@@ -58,7 +58,7 @@ install the pre-commit hooks as described below instead. They will take care of
 updating the code if necessary.
 
 Setting up the development environment:
- * Install Python 3.7+
+ * Install Python 3.8+
  * Install the requirements
    ```bash
    $ python3 -m pip install -U pip