diff --git a/pyproject.toml b/pyproject.toml
index a25338d0..dbf8ace8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,6 +47,7 @@ namespaces = false
 
 [tool.ruff.lint]
 extend-select = [
+  "I",   # isort
   "UP",  # pyupgrade
 ]
 ignore = [
diff --git a/src/west/app/config.py b/src/west/app/config.py
index 074f74b8..63454bab 100644
--- a/src/west/app/config.py
+++ b/src/west/app/config.py
@@ -6,8 +6,8 @@
 
 import argparse
 
+from west.commands import CommandError, WestCommand
 from west.configuration import ConfigFile
-from west.commands import WestCommand, CommandError
 
 CONFIG_DESCRIPTION = '''\
 West configuration file handling.
diff --git a/src/west/app/main.py b/src/west/app/main.py
index 9536bf6a..50bcee49 100755
--- a/src/west/app/main.py
+++ b/src/west/app/main.py
@@ -12,36 +12,61 @@
 '''
 
 import argparse
-from collections import OrderedDict
-import colorama
-from io import StringIO
 import logging
 import os
-from pathlib import Path, PurePath
 import platform
 import shlex
 import shutil
 import signal
 import sys
-from subprocess import CalledProcessError
 import tempfile
 import textwrap
 import traceback
+from collections import OrderedDict
+from io import StringIO
+from pathlib import Path, PurePath
+from subprocess import CalledProcessError
 from typing import NamedTuple, Optional
 
-from west import log
+import colorama
+
 import west.configuration
-from west.commands import WestCommand, extension_commands, \
-    CommandError, ExtensionCommandError, Verbosity
-from west.app.project import List, ManifestCommand, Compare, Diff, Status, \
-    SelfUpdate, ForAll, Grep, Init, Update, Topdir
+from west import log
 from west.app.config import Config
-from west.manifest import Manifest, MalformedConfig, MalformedManifest, \
-    ManifestVersionError, ManifestImportFailed, _ManifestImportDepth, \
-    ManifestProject, MANIFEST_REV_BRANCH
-from west.util import quote_sh_list, west_topdir, WestNotFound
+from west.app.project import (
+    Compare,
+    Diff,
+    ForAll,
+    Grep,
+    Init,
+    List,
+    ManifestCommand,
+    SelfUpdate,
+    Status,
+    Topdir,
+    Update,
+)
+from west.commands import (
+    CommandError,
+    ExtensionCommandError,
+    Verbosity,
+    WestCommand,
+    extension_commands,
+)
+from west.manifest import (
+    MANIFEST_REV_BRANCH,
+    MalformedConfig,
+    MalformedManifest,
+    Manifest,
+    ManifestImportFailed,
+    ManifestProject,
+    ManifestVersionError,
+    _ManifestImportDepth,
+)
+from west.util import WestNotFound, quote_sh_list, west_topdir
 from west.version import __version__
 
+
 class EarlyArgs(NamedTuple):
     # Data type for storing "early" argument parsing results.
     #
diff --git a/src/west/app/project.py b/src/west/app/project.py
index b806a5a8..d5f4c705 100644
--- a/src/west/app/project.py
+++ b/src/west/app/project.py
@@ -6,30 +6,35 @@
 '''West project commands'''
 
 import argparse
-from functools import partial
 import logging
 import os
-from os.path import abspath, relpath
-from pathlib import PurePath, Path
-import shutil
 import shlex
+import shutil
 import subprocess
 import sys
 import textwrap
 import time
+from functools import partial
+from os.path import abspath, relpath
+from pathlib import Path, PurePath
 from time import perf_counter
 from urllib.parse import urlparse
 
-from west.configuration import Configuration
 from west import util
-from west.commands import WestCommand, CommandError, Verbosity
-from west.manifest import ImportFlag, Manifest, \
-    ManifestProject, _manifest_content_at, ManifestImportFailed
-from west.manifest import is_group as is_project_group
+from west.commands import CommandError, Verbosity, WestCommand
+from west.configuration import Configuration
 from west.manifest import MANIFEST_REV_BRANCH as MANIFEST_REV
-from west.manifest import Submodule
 from west.manifest import QUAL_MANIFEST_REV_BRANCH as QUAL_MANIFEST_REV
 from west.manifest import QUAL_REFS_WEST as QUAL_REFS
+from west.manifest import (
+    ImportFlag,
+    Manifest,
+    ManifestImportFailed,
+    ManifestProject,
+    Submodule,
+    _manifest_content_at,
+)
+from west.manifest import is_group as is_project_group
 
 #
 # Project-related or multi-repo commands, like "init", "update",
diff --git a/src/west/commands.py b/src/west/commands.py
index 278ad709..42246d8c 100644
--- a/src/west/commands.py
+++ b/src/west/commands.py
@@ -4,19 +4,19 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-from abc import ABC, abstractmethod
 import argparse
-from collections import OrderedDict
-from dataclasses import dataclass
-from enum import IntEnum
 import importlib.util
 import itertools
 import os
-from pathlib import Path
 import re
 import shutil
 import subprocess
 import sys
+from abc import ABC, abstractmethod
+from collections import OrderedDict
+from dataclasses import dataclass
+from enum import IntEnum
+from pathlib import Path
 from types import ModuleType
 from typing import Callable, NoReturn, Optional
 
@@ -26,7 +26,7 @@
 
 from west.configuration import Configuration
 from west.manifest import Manifest, Project
-from west.util import escapes_directory, quote_sh_list, PathType
+from west.util import PathType, escapes_directory, quote_sh_list
 
 '''\
 This package provides WestCommand, which is the common abstraction all
diff --git a/src/west/configuration.py b/src/west/configuration.py
index aa220dbc..6c61520d 100644
--- a/src/west/configuration.py
+++ b/src/west/configuration.py
@@ -37,14 +37,15 @@
 
 import configparser
 import os
-from pathlib import PureWindowsPath, Path
 import platform
-from enum import Enum
-from typing import Any, Optional, TYPE_CHECKING, Union
-from collections.abc import Iterable
 import warnings
+from collections.abc import Iterable
+from enum import Enum
+from pathlib import Path, PureWindowsPath
+from typing import TYPE_CHECKING, Any, Optional, Union
+
+from west.util import WEST_DIR, PathType, WestNotFound, west_dir
 
-from west.util import WEST_DIR, west_dir, WestNotFound, PathType
 
 class MalformedConfig(Exception):
     '''The west configuration was malformed.
diff --git a/src/west/log.py b/src/west/log.py
index 6d8faa44..1a624060 100644
--- a/src/west/log.py
+++ b/src/west/log.py
@@ -20,13 +20,13 @@
 '''
 
 import sys
-from typing import NoReturn
 import warnings
-
-from west import configuration as config
+from typing import NoReturn
 
 import colorama
 
+from west import configuration as config
+
 VERBOSE_NONE = 0
 '''Default verbosity level, no dbg() messages printed.'''
 
diff --git a/src/west/manifest.py b/src/west/manifest.py
index 3a3379dd..4acfde2a 100644
--- a/src/west/manifest.py
+++ b/src/west/manifest.py
@@ -7,27 +7,26 @@
 Parser and abstract data types for west manifests.
 '''
 
-from collections import deque
 import enum
 import errno
 import logging
 import os
-from pathlib import PurePosixPath, Path
 import re
 import shlex
 import subprocess
 import sys
-from typing import Any, Callable, NoReturn, \
-    NamedTuple, Optional, TYPE_CHECKING, Union
+from collections import deque
 from collections.abc import Iterable
+from pathlib import Path, PurePosixPath
+from typing import TYPE_CHECKING, Any, Callable, NamedTuple, NoReturn, Optional, Union
 
-from packaging.version import parse as parse_version
 import pykwalify.core
 import yaml
+from packaging.version import parse as parse_version
 
 from west import util
+from west.configuration import ConfigFile, Configuration, MalformedConfig
 from west.util import PathType
-from west.configuration import Configuration, ConfigFile, MalformedConfig
 
 #
 # Public constants
diff --git a/tests/conftest.py b/tests/conftest.py
index 7de6be58..2d1f7615 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -3,16 +3,17 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import os
-from pathlib import Path, PurePath
 import platform
 import shutil
 import subprocess
 import sys
 import textwrap
+from pathlib import Path, PurePath
 
-from west import configuration as config
 import pytest
 
+from west import configuration as config
+
 GIT = shutil.which('git')
 
 # Git capabilities are discovered at runtime in
diff --git a/tests/test_alias.py b/tests/test_alias.py
index 6dba3984..88ad7e45 100644
--- a/tests/test_alias.py
+++ b/tests/test_alias.py
@@ -6,7 +6,6 @@
 import subprocess
 
 import pytest
-
 from conftest import cmd
 
 assert 'TOXTEMPDIR' in os.environ, "you must run these tests using tox"
diff --git a/tests/test_config.py b/tests/test_config.py
index d8c80437..e31d7cd4 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -5,16 +5,15 @@
 import configparser
 import os
 import pathlib
-from typing import Any, Optional
 import subprocess
+from typing import Any, Optional
 
 import pytest
+from conftest import cmd
 
 from west import configuration as config
 from west.util import PathType
 
-from conftest import cmd
-
 assert 'TOXTEMPDIR' in os.environ, "you must run these tests using tox"
 
 SYSTEM = config.ConfigFile.SYSTEM
diff --git a/tests/test_help.py b/tests/test_help.py
index 967e0a42..8fb54d68 100644
--- a/tests/test_help.py
+++ b/tests/test_help.py
@@ -1,13 +1,13 @@
 # Copyright (c) 2020, Nordic Semiconductor ASA
 
 import itertools
-
 import os
 import sys
 
-from west.app.main import BUILTIN_COMMAND_GROUPS
 from conftest import cmd
 
+from west.app.main import BUILTIN_COMMAND_GROUPS
+
 assert 'TOXTEMPDIR' in os.environ, "you must run these tests using tox"
 
 def test_builtin_help_and_dash_h(west_init_tmpdir):
diff --git a/tests/test_manifest.py b/tests/test_manifest.py
index 270d859c..274820a6 100644
--- a/tests/test_manifest.py
+++ b/tests/test_manifest.py
@@ -9,30 +9,49 @@
 # it's particularly inconvenient to test something without a real git
 # repository, go ahead and make one in a temporary directory.
 
-from copy import deepcopy
-from glob import glob
 import logging
 import os
-from pathlib import PurePath, Path
 import platform
 import subprocess
-from unittest.mock import patch
 import textwrap
+from copy import deepcopy
+from glob import glob
+from pathlib import Path, PurePath
+from unittest.mock import patch
 
 import pytest
 import yaml
-
-from west.manifest import Manifest, Project, ManifestProject, \
-    MalformedManifest, ManifestVersionError, ManifestImportFailed, \
-    manifest_path, ImportFlag, validate, MANIFEST_PROJECT_INDEX, \
-    _ManifestImportDepth, is_group, SCHEMA_VERSION
-from west.configuration import Configuration, ConfigFile, MalformedConfig
+from conftest import (
+    GIT,
+    add_commit,
+    add_tag,
+    check_proj_consistency,
+    checkout_branch,
+    create_branch,
+    create_repo,
+    create_workspace,
+    rev_parse,
+)
+
+from west.configuration import ConfigFile, Configuration, MalformedConfig
 
 # White box checks for the schema version.
-from west.manifest import _VALID_SCHEMA_VERS
-
-from conftest import create_workspace, create_repo, checkout_branch, \
-    create_branch, add_commit, add_tag, rev_parse, GIT, check_proj_consistency
+from west.manifest import (
+    _VALID_SCHEMA_VERS,
+    MANIFEST_PROJECT_INDEX,
+    SCHEMA_VERSION,
+    ImportFlag,
+    MalformedManifest,
+    Manifest,
+    ManifestImportFailed,
+    ManifestProject,
+    ManifestVersionError,
+    Project,
+    _ManifestImportDepth,
+    is_group,
+    manifest_path,
+    validate,
+)
 
 assert 'TOXTEMPDIR' in os.environ, "you must run these tests using tox"
 
diff --git a/tests/test_project.py b/tests/test_project.py
index 31608bc2..491347ec 100644
--- a/tests/test_project.py
+++ b/tests/test_project.py
@@ -9,13 +9,22 @@
 from pathlib import Path, PurePath
 
 import pytest
+from conftest import (
+    GIT,
+    WINDOWS,
+    add_commit,
+    add_tag,
+    check_output,
+    check_proj_consistency,
+    cmd,
+    create_branch,
+    create_repo,
+    create_workspace,
+    rev_parse,
+)
 
-from west.manifest import Manifest, ManifestProject, Project, \
-    ManifestImportFailed
 from west.manifest import ImportFlag as MIF
-from conftest import create_branch, create_workspace, create_repo, \
-    add_commit, add_tag, check_output, cmd, GIT, rev_parse, \
-    check_proj_consistency, WINDOWS
+from west.manifest import Manifest, ManifestImportFailed, ManifestProject, Project
 
 assert 'TOXTEMPDIR' in os.environ, "you must run these tests using tox"