Add isort to the pre-commit configuration

.pre-commit-config.yaml

@@ -10,6 +10,11 @@ repos:
           - --expand-star-imports
           - --remove-duplicate-keys
           - --remove-unused-variables
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.8.0
+    hooks:
+      - id: isort
+        exclude: tests/testdata|astroid/__init__.py
   - repo: https://github.com/asottile/pyupgrade
     rev: v2.12.0
     hooks:

astroid/modutils.py

@@ -33,14 +33,15 @@
 :type BUILTIN_MODULES: dict
 :var BUILTIN_MODULES: dictionary with builtin module names has key
 """
+
+# We don't want distutils to be a requirement
+# pylint: disable=import-error, no-name-in-module,useless-suppression
+
 import importlib.util
 import itertools
 import os
 import platform
 import sys
-
-# We don't want distutils to be a requirement
-# pylint: disable=import-error, no-name-in-module,useless-suppression
 from distutils.errors import DistutilsPlatformError
 from distutils.sysconfig import get_python_lib  # pylint: disable=import-error
 

doc/conf.py

@@ -10,7 +10,8 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
-import sys, os
+import os
+import sys
 from datetime import datetime
 
 # If extensions (or modules to document with autodoc) are in another directory,
@@ -58,6 +59,7 @@
 #
 # The short X.Y version.
 from astroid.__pkginfo__ import version
+
 # The full version, including alpha/beta/rc tags.
 release = version
 

requirements_test_pre_commit.txt

@@ -3,3 +3,4 @@ black==20.8b1
 pyupgrade==2.11.0
 black-disable-checker==1.0.0
 pylint
+isort=5.8.0

setup.py

@@ -20,6 +20,7 @@
 import os
 import sys
 import warnings
+
 from setuptools import find_packages, setup
 from setuptools.command import easy_install  # pylint: disable=unused-import
 from setuptools.command import install_lib  # pylint: disable=unused-import