Add isort to linting toolchain

Co-authored-by: Shivansh-007 <shivansh-007@outlook.com>

.pre-commit-config.yaml

@@ -23,6 +23,11 @@ repos:
         files: '(CHANGES\.md|the_basics\.md)$'
         additional_dependencies: *version_check_dependencies
 
+  - repo: https://github.com/pycqa/isort
+    rev: 5.10.1
+    hooks:
+      - id: isort
+
   - repo: https://github.com/pycqa/flake8
     rev: 4.0.1
     hooks:

pyproject.toml

@@ -22,13 +22,21 @@ extend-exclude = '''
 # this off.
 preview = true
 
-# Build system information below.
+# Build system information and other project-specific configuration below.
 # NOTE: You don't need this in your own Black configuration.
 
 [build-system]
 requires = ["setuptools>=45.0", "setuptools_scm[toml]>=6.3.1", "wheel"]
 build-backend = "setuptools.build_meta"
 
+[tool.isort]
+atomic = true
+profile = "black"
+line_length = 88
+skip_gitignore = true
+skip_glob = ["src/blib2to3", "tests/data", "profiling"]
+known_first_party = ["black", "blib2to3", "blackd", "_black_version"]
+
 [tool.pytest.ini_options]
 # Option below requires `tests/optional.py`
 addopts = "--strict-config --strict-markers"