diff --git a/news/12974.trivial.rst b/news/12974.trivial.rst
new file mode 100644
index 00000000000..d1c31fb177a
--- /dev/null
+++ b/news/12974.trivial.rst
@@ -0,0 +1 @@
+Create two new import groups, "vendored" and "import", this only affects tests.
diff --git a/pyproject.toml b/pyproject.toml
index 07c3010a2e5..711e6bc8485 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -186,9 +186,19 @@ select = [
 ]
 
 [tool.ruff.lint.isort]
-# Explicitly make tests "first party" as it's not in the "src" directory
-known-first-party = ["tests"]
-known-third-party = ["pip._vendor"]
+section-order = [
+  "future",
+  "standard-library",
+  "third-party",
+  "vendored",
+  "first-party",
+  "tests",
+  "local-folder",
+]
+
+[tool.ruff.lint.isort.sections]
+"vendored" = ["pip._vendor"]
+"tests" = ["tests"]
 
 [tool.ruff.lint.mccabe]
 max-complexity = 33  # default is 10
diff --git a/tests/conftest.py b/tests/conftest.py
index da4ab5b9dfb..d093eea462b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -47,6 +47,7 @@
 from pip import __file__ as pip_location
 from pip._internal.locations import _USE_SYSCONFIG
 from pip._internal.utils.temp_dir import global_tempdir_manager
+
 from tests.lib import (
     DATA_DIR,
     SRC_DIR,
diff --git a/tests/functional/test_build_env.py b/tests/functional/test_build_env.py
index 11164be0500..c950a8a6de9 100644
--- a/tests/functional/test_build_env.py
+++ b/tests/functional/test_build_env.py
@@ -6,6 +6,7 @@
 import pytest
 
 from pip._internal.build_env import BuildEnvironment, _get_system_sitepackages
+
 from tests.lib import (
     PipTestEnvironment,
     TestPipResult,
diff --git a/tests/functional/test_cli.py b/tests/functional/test_cli.py
index e1ccf04ea1c..5be66d88eac 100644
--- a/tests/functional/test_cli.py
+++ b/tests/functional/test_cli.py
@@ -9,6 +9,7 @@
 import pytest
 
 from pip._internal.commands import commands_dict
+
 from tests.lib import PipTestEnvironment
 
 
diff --git a/tests/functional/test_config_settings.py b/tests/functional/test_config_settings.py
index 857722dd10d..4e0b12ca185 100644
--- a/tests/functional/test_config_settings.py
+++ b/tests/functional/test_config_settings.py
@@ -5,6 +5,7 @@
 from zipfile import ZipFile
 
 from pip._internal.utils.urls import path_to_url
+
 from tests.lib import PipTestEnvironment, create_basic_sdist_for_package
 
 PYPROJECT_TOML = """\
diff --git a/tests/functional/test_configuration.py b/tests/functional/test_configuration.py
index 854fb3694b1..56cac572c4f 100644
--- a/tests/functional/test_configuration.py
+++ b/tests/functional/test_configuration.py
@@ -6,6 +6,7 @@
 
 from pip._internal.cli.status_codes import ERROR
 from pip._internal.configuration import CONFIG_BASENAME, get_configuration_files
+
 from tests.lib import PipTestEnvironment
 from tests.lib.configuration_helpers import ConfigurationMixin, kinds
 from tests.lib.venv import VirtualEnvironment
diff --git a/tests/functional/test_debug.py b/tests/functional/test_debug.py
index 77d4bea335f..82557299904 100644
--- a/tests/functional/test_debug.py
+++ b/tests/functional/test_debug.py
@@ -2,10 +2,12 @@
 from typing import List
 
 import pytest
+
 from pip._vendor.packaging.version import Version
 
 from pip._internal.commands.debug import create_vendor_txt_map
 from pip._internal.utils import compatibility_tags
+
 from tests.lib import PipTestEnvironment
 
 
diff --git a/tests/functional/test_download.py b/tests/functional/test_download.py
index d469e71c360..3906885a19b 100644
--- a/tests/functional/test_download.py
+++ b/tests/functional/test_download.py
@@ -11,6 +11,7 @@
 
 from pip._internal.cli.status_codes import ERROR
 from pip._internal.utils.urls import path_to_url
+
 from tests.lib import (
     PipTestEnvironment,
     ScriptFactory,
diff --git a/tests/functional/test_fast_deps.py b/tests/functional/test_fast_deps.py
index 5a910b89763..85c9bbd7072 100644
--- a/tests/functional/test_fast_deps.py
+++ b/tests/functional/test_fast_deps.py
@@ -7,9 +7,11 @@
 from typing import Iterable
 
 import pytest
+
 from pip._vendor.packaging.utils import canonicalize_name
 
 from pip._internal.utils.misc import hash_file
+
 from tests.lib import PipTestEnvironment, TestData, TestPipResult
 
 
diff --git a/tests/functional/test_freeze.py b/tests/functional/test_freeze.py
index b7af974ea61..0a7cedd11cb 100644
--- a/tests/functional/test_freeze.py
+++ b/tests/functional/test_freeze.py
@@ -6,9 +6,11 @@
 from pathlib import Path
 
 import pytest
+
 from pip._vendor.packaging.utils import canonicalize_name
 
 from pip._internal.models.direct_url import DirectUrl, DirInfo
+
 from tests.lib import (
     PipTestEnvironment,
     TestData,
diff --git a/tests/functional/test_help.py b/tests/functional/test_help.py
index 75414214a93..cba036927c8 100644
--- a/tests/functional/test_help.py
+++ b/tests/functional/test_help.py
@@ -5,6 +5,7 @@
 from pip._internal.cli.status_codes import ERROR, SUCCESS
 from pip._internal.commands import commands_dict, create_command
 from pip._internal.exceptions import CommandError
+
 from tests.lib import InMemoryPip, PipTestEnvironment
 
 
diff --git a/tests/functional/test_index.py b/tests/functional/test_index.py
index 43b8f09c311..5a3c27bac9d 100644
--- a/tests/functional/test_index.py
+++ b/tests/functional/test_index.py
@@ -2,6 +2,7 @@
 
 from pip._internal.cli.status_codes import ERROR, SUCCESS
 from pip._internal.commands import create_command
+
 from tests.lib import PipTestEnvironment
 
 
diff --git a/tests/functional/test_install.py b/tests/functional/test_install.py
index 8c30a69b515..4718beb948c 100644
--- a/tests/functional/test_install.py
+++ b/tests/functional/test_install.py
@@ -17,6 +17,7 @@
 from pip._internal.models.index import PyPI, TestPyPI
 from pip._internal.utils.misc import rmtree
 from pip._internal.utils.urls import path_to_url
+
 from tests.lib import (
     CertFactory,
     PipTestEnvironment,
diff --git a/tests/functional/test_install_direct_url.py b/tests/functional/test_install_direct_url.py
index 139ef178e77..5aefab09cb3 100644
--- a/tests/functional/test_install_direct_url.py
+++ b/tests/functional/test_install_direct_url.py
@@ -1,6 +1,7 @@
 import pytest
 
 from pip._internal.models.direct_url import VcsInfo
+
 from tests.lib import PipTestEnvironment, TestData, _create_test_package
 from tests.lib.direct_url import get_created_direct_url
 
diff --git a/tests/functional/test_invalid_versions_and_specifiers.py b/tests/functional/test_invalid_versions_and_specifiers.py
index 4867fe54beb..6349036bf52 100644
--- a/tests/functional/test_invalid_versions_and_specifiers.py
+++ b/tests/functional/test_invalid_versions_and_specifiers.py
@@ -3,6 +3,7 @@
 import pytest
 
 from pip._internal.metadata import select_backend
+
 from tests.lib import PipTestEnvironment, TestData
 
 
diff --git a/tests/functional/test_list.py b/tests/functional/test_list.py
index 43998600eb6..e611fe7cb64 100644
--- a/tests/functional/test_list.py
+++ b/tests/functional/test_list.py
@@ -5,6 +5,7 @@
 import pytest
 
 from pip._internal.models.direct_url import DirectUrl, DirInfo
+
 from tests.lib import (
     PipTestEnvironment,
     ScriptFactory,
diff --git a/tests/functional/test_new_resolver_target.py b/tests/functional/test_new_resolver_target.py
index 4434c276fca..58b2d548b65 100644
--- a/tests/functional/test_new_resolver_target.py
+++ b/tests/functional/test_new_resolver_target.py
@@ -4,6 +4,7 @@
 import pytest
 
 from pip._internal.cli.status_codes import ERROR, SUCCESS
+
 from tests.lib import PipTestEnvironment
 from tests.lib.wheel import make_wheel
 
diff --git a/tests/functional/test_pep517.py b/tests/functional/test_pep517.py
index 4e0c16358af..fd9380d0eb6 100644
--- a/tests/functional/test_pep517.py
+++ b/tests/functional/test_pep517.py
@@ -7,6 +7,7 @@
 
 from pip._internal.build_env import BuildEnvironment
 from pip._internal.req import InstallRequirement
+
 from tests.lib import (
     PipTestEnvironment,
     TestData,
diff --git a/tests/functional/test_pip_runner_script.py b/tests/functional/test_pip_runner_script.py
index f2f879b824d..ba73f936321 100644
--- a/tests/functional/test_pip_runner_script.py
+++ b/tests/functional/test_pip_runner_script.py
@@ -2,6 +2,7 @@
 from pathlib import Path
 
 from pip import __version__
+
 from tests.lib import PipTestEnvironment
 
 
diff --git a/tests/functional/test_search.py b/tests/functional/test_search.py
index 3d4baeb4832..9491b492400 100644
--- a/tests/functional/test_search.py
+++ b/tests/functional/test_search.py
@@ -7,6 +7,7 @@
 from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS
 from pip._internal.commands import create_command
 from pip._internal.commands.search import highest_version, print_results, transform_hits
+
 from tests.lib import PipTestEnvironment
 
 if TYPE_CHECKING:
diff --git a/tests/functional/test_show.py b/tests/functional/test_show.py
index 7797de9e992..4cc1587733f 100644
--- a/tests/functional/test_show.py
+++ b/tests/functional/test_show.py
@@ -8,6 +8,7 @@
 from pip import __version__
 from pip._internal.commands.show import search_packages_info
 from pip._internal.utils.unpacking import untar_file
+
 from tests.lib import (
     PipTestEnvironment,
     TestData,
diff --git a/tests/functional/test_uninstall.py b/tests/functional/test_uninstall.py
index 58e141e54ad..d86ba172002 100644
--- a/tests/functional/test_uninstall.py
+++ b/tests/functional/test_uninstall.py
@@ -12,6 +12,7 @@
 
 from pip._internal.req.constructors import install_req_from_line
 from pip._internal.utils.misc import rmtree
+
 from tests.lib import (
     PipTestEnvironment,
     TestData,
diff --git a/tests/functional/test_vcs_bazaar.py b/tests/functional/test_vcs_bazaar.py
index 63955d6e701..821427ed841 100644
--- a/tests/functional/test_vcs_bazaar.py
+++ b/tests/functional/test_vcs_bazaar.py
@@ -10,6 +10,7 @@
 
 from pip._internal.vcs.bazaar import Bazaar
 from pip._internal.vcs.versioncontrol import RemoteNotFoundError
+
 from tests.lib import PipTestEnvironment, is_bzr_installed, need_bzr
 
 
diff --git a/tests/functional/test_vcs_git.py b/tests/functional/test_vcs_git.py
index a7276e2b6a5..f917fa8b39e 100644
--- a/tests/functional/test_vcs_git.py
+++ b/tests/functional/test_vcs_git.py
@@ -13,6 +13,7 @@
 from pip._internal.utils.misc import HiddenText
 from pip._internal.vcs import vcs
 from pip._internal.vcs.git import Git, RemoteNotFoundError
+
 from tests.lib import PipTestEnvironment, _create_test_package, _git_commit
 
 
diff --git a/tests/functional/test_vcs_mercurial.py b/tests/functional/test_vcs_mercurial.py
index 9a909e71f24..a511c40aae2 100644
--- a/tests/functional/test_vcs_mercurial.py
+++ b/tests/functional/test_vcs_mercurial.py
@@ -1,6 +1,7 @@
 import os
 
 from pip._internal.vcs.mercurial import Mercurial
+
 from tests.lib import PipTestEnvironment, _create_test_package, need_mercurial
 
 
diff --git a/tests/functional/test_vcs_subversion.py b/tests/functional/test_vcs_subversion.py
index 05c20c7c145..987f481edd4 100644
--- a/tests/functional/test_vcs_subversion.py
+++ b/tests/functional/test_vcs_subversion.py
@@ -4,6 +4,7 @@
 
 from pip._internal.vcs.subversion import Subversion
 from pip._internal.vcs.versioncontrol import RemoteNotFoundError
+
 from tests.lib import PipTestEnvironment, _create_svn_repo, need_svn
 
 
diff --git a/tests/functional/test_wheel.py b/tests/functional/test_wheel.py
index 1bddd40dc41..da2bd2d7904 100644
--- a/tests/functional/test_wheel.py
+++ b/tests/functional/test_wheel.py
@@ -8,6 +8,7 @@
 import pytest
 
 from pip._internal.cli.status_codes import ERROR
+
 from tests.lib import (
     PipTestEnvironment,
     TestData,
diff --git a/tests/lib/__init__.py b/tests/lib/__init__.py
index e318f7155d2..df142ba4438 100644
--- a/tests/lib/__init__.py
+++ b/tests/lib/__init__.py
@@ -32,9 +32,10 @@
 from zipfile import ZipFile
 
 import pytest
-from pip._vendor.packaging.utils import canonicalize_name
 from scripttest import FoundDir, FoundFile, ProcResult, TestFileEnvironment
 
+from pip._vendor.packaging.utils import canonicalize_name
+
 from pip._internal.cli.main import main as pip_entry_point
 from pip._internal.index.collector import LinkCollector
 from pip._internal.index.package_finder import PackageFinder
@@ -44,6 +45,7 @@
 from pip._internal.models.target_python import TargetPython
 from pip._internal.network.session import PipSession
 from pip._internal.utils.egg_link import _egg_link_names
+
 from tests.lib.venv import VirtualEnvironment
 from tests.lib.wheel import make_wheel
 
diff --git a/tests/lib/direct_url.py b/tests/lib/direct_url.py
index e0dac032062..fff1ae966cd 100644
--- a/tests/lib/direct_url.py
+++ b/tests/lib/direct_url.py
@@ -4,6 +4,7 @@
 from typing import Optional
 
 from pip._internal.models.direct_url import DIRECT_URL_METADATA_NAME, DirectUrl
+
 from tests.lib import TestPipResult
 
 
diff --git a/tests/unit/metadata/test_metadata.py b/tests/unit/metadata/test_metadata.py
index caa2dea8c91..404d858bdd5 100644
--- a/tests/unit/metadata/test_metadata.py
+++ b/tests/unit/metadata/test_metadata.py
@@ -5,6 +5,7 @@
 from unittest import mock
 
 import pytest
+
 from pip._vendor.packaging.utils import NormalizedName
 
 from pip._internal.metadata import (
@@ -15,6 +16,7 @@
 )
 from pip._internal.metadata.base import FilesystemWheel
 from pip._internal.models.direct_url import DIRECT_URL_METADATA_NAME, ArchiveInfo
+
 from tests.lib.wheel import make_wheel
 
 
diff --git a/tests/unit/metadata/test_metadata_pkg_resources.py b/tests/unit/metadata/test_metadata_pkg_resources.py
index 6044c14e4ca..6b3a302fb3c 100644
--- a/tests/unit/metadata/test_metadata_pkg_resources.py
+++ b/tests/unit/metadata/test_metadata_pkg_resources.py
@@ -4,6 +4,7 @@
 from unittest import mock
 
 import pytest
+
 from pip._vendor.packaging.requirements import Requirement
 from pip._vendor.packaging.specifiers import SpecifierSet
 from pip._vendor.packaging.utils import canonicalize_name
diff --git a/tests/unit/resolution_resolvelib/conftest.py b/tests/unit/resolution_resolvelib/conftest.py
index 348396bafe2..6aa5f505dbb 100644
--- a/tests/unit/resolution_resolvelib/conftest.py
+++ b/tests/unit/resolution_resolvelib/conftest.py
@@ -17,6 +17,7 @@
 from pip._internal.resolution.resolvelib.factory import Factory
 from pip._internal.resolution.resolvelib.provider import PipProvider
 from pip._internal.utils.temp_dir import TempDirectory, global_tempdir_manager
+
 from tests.lib import TestData
 
 
diff --git a/tests/unit/resolution_resolvelib/test_requirement.py b/tests/unit/resolution_resolvelib/test_requirement.py
index 436081b1d8f..cde6256a206 100644
--- a/tests/unit/resolution_resolvelib/test_requirement.py
+++ b/tests/unit/resolution_resolvelib/test_requirement.py
@@ -3,11 +3,13 @@
 from typing import List, Tuple
 
 import pytest
+
 from pip._vendor.resolvelib import BaseReporter, Resolver
 
 from pip._internal.resolution.resolvelib.base import Candidate, Constraint, Requirement
 from pip._internal.resolution.resolvelib.factory import Factory
 from pip._internal.resolution.resolvelib.provider import PipProvider
+
 from tests.lib import TestData
 
 # NOTE: All tests are prefixed `test_rlr` (for "test resolvelib resolver").
diff --git a/tests/unit/resolution_resolvelib/test_resolver.py b/tests/unit/resolution_resolvelib/test_resolver.py
index f2f36770fe6..18238eef134 100644
--- a/tests/unit/resolution_resolvelib/test_resolver.py
+++ b/tests/unit/resolution_resolvelib/test_resolver.py
@@ -2,6 +2,7 @@
 from unittest import mock
 
 import pytest
+
 from pip._vendor.packaging.utils import canonicalize_name
 from pip._vendor.resolvelib.resolvers import Result
 from pip._vendor.resolvelib.structs import DirectedGraph
diff --git a/tests/unit/test_appdirs.py b/tests/unit/test_appdirs.py
index fd3ea143bcb..6e6521dd5c0 100644
--- a/tests/unit/test_appdirs.py
+++ b/tests/unit/test_appdirs.py
@@ -5,6 +5,7 @@
 from unittest import mock
 
 import pytest
+
 from pip._vendor import platformdirs
 
 from pip._internal.utils import appdirs
diff --git a/tests/unit/test_collector.py b/tests/unit/test_collector.py
index 882f82ae4fe..c527d5610a3 100644
--- a/tests/unit/test_collector.py
+++ b/tests/unit/test_collector.py
@@ -10,6 +10,7 @@
 from unittest import mock
 
 import pytest
+
 from pip._vendor import requests
 from pip._vendor.packaging.requirements import Requirement
 
@@ -35,6 +36,7 @@
     _ensure_quoted_url,
 )
 from pip._internal.network.session import PipSession
+
 from tests.lib import (
     TestData,
     make_test_link_collector,
diff --git a/tests/unit/test_configuration.py b/tests/unit/test_configuration.py
index 1a0acb7b411..29a268c7875 100644
--- a/tests/unit/test_configuration.py
+++ b/tests/unit/test_configuration.py
@@ -8,6 +8,7 @@
 
 from pip._internal.configuration import get_configuration_files, kinds
 from pip._internal.exceptions import ConfigurationError
+
 from tests.lib.configuration_helpers import ConfigurationMixin
 
 
diff --git a/tests/unit/test_exceptions.py b/tests/unit/test_exceptions.py
index 12a17dcd1f3..90a44348f0a 100644
--- a/tests/unit/test_exceptions.py
+++ b/tests/unit/test_exceptions.py
@@ -9,6 +9,7 @@
 from typing import Optional, Tuple
 
 import pytest
+
 from pip._vendor import rich
 
 from pip._internal.exceptions import DiagnosticPipError, ExternallyManagedEnvironment
diff --git a/tests/unit/test_finder.py b/tests/unit/test_finder.py
index 35c7e89b765..8c923dcd36f 100644
--- a/tests/unit/test_finder.py
+++ b/tests/unit/test_finder.py
@@ -3,6 +3,7 @@
 from unittest.mock import Mock, patch
 
 import pytest
+
 from pip._vendor.packaging.specifiers import SpecifierSet
 from pip._vendor.packaging.tags import Tag
 from pip._vendor.packaging.version import parse as parse_version
@@ -18,6 +19,7 @@
 )
 from pip._internal.models.target_python import TargetPython
 from pip._internal.req.constructors import install_req_from_line
+
 from tests.lib import TestData, make_test_finder
 
 
diff --git a/tests/unit/test_index.py b/tests/unit/test_index.py
index d02c70b260e..8faa4a56a0a 100644
--- a/tests/unit/test_index.py
+++ b/tests/unit/test_index.py
@@ -2,6 +2,7 @@
 from typing import FrozenSet, List, Optional, Set, Tuple
 
 import pytest
+
 from pip._vendor.packaging.specifiers import SpecifierSet
 from pip._vendor.packaging.tags import Tag
 
@@ -25,6 +26,7 @@
 from pip._internal.network.session import PipSession
 from pip._internal.utils.compatibility_tags import get_supported
 from pip._internal.utils.hashes import Hashes
+
 from tests.lib import CURRENT_PY_VERSION_INFO
 from tests.lib.index import make_mock_candidate
 
diff --git a/tests/unit/test_models_wheel.py b/tests/unit/test_models_wheel.py
index d323dab7167..0fcd4be874f 100644
--- a/tests/unit/test_models_wheel.py
+++ b/tests/unit/test_models_wheel.py
@@ -1,4 +1,5 @@
 import pytest
+
 from pip._vendor.packaging.tags import Tag
 
 from pip._internal.exceptions import InvalidWheelFilename
diff --git a/tests/unit/test_network_auth.py b/tests/unit/test_network_auth.py
index 86f01e436c0..aec5e513ba5 100644
--- a/tests/unit/test_network_auth.py
+++ b/tests/unit/test_network_auth.py
@@ -8,6 +8,7 @@
 
 import pip._internal.network.auth
 from pip._internal.network.auth import MultiDomainBasicAuth
+
 from tests.lib.requests_mocks import MockConnection, MockRequest, MockResponse
 
 
diff --git a/tests/unit/test_network_cache.py b/tests/unit/test_network_cache.py
index b43b36cd897..6bba8fc670b 100644
--- a/tests/unit/test_network_cache.py
+++ b/tests/unit/test_network_cache.py
@@ -3,9 +3,11 @@
 from unittest.mock import Mock
 
 import pytest
+
 from pip._vendor.cachecontrol.caches import FileCache
 
 from pip._internal.network.cache import SafeFileCache
+
 from tests.lib.filesystem import chmod
 
 
diff --git a/tests/unit/test_network_download.py b/tests/unit/test_network_download.py
index 53200f2e511..14998d229bf 100644
--- a/tests/unit/test_network_download.py
+++ b/tests/unit/test_network_download.py
@@ -10,6 +10,7 @@
     parse_content_disposition,
     sanitize_content_filename,
 )
+
 from tests.lib.requests_mocks import MockResponse
 
 
diff --git a/tests/unit/test_network_lazy_wheel.py b/tests/unit/test_network_lazy_wheel.py
index 356387d2bba..5d97e9e3202 100644
--- a/tests/unit/test_network_lazy_wheel.py
+++ b/tests/unit/test_network_lazy_wheel.py
@@ -1,6 +1,7 @@
 from typing import Iterator
 
 import pytest
+
 from pip._vendor.packaging.version import Version
 
 from pip._internal.exceptions import InvalidWheel
@@ -9,6 +10,7 @@
     dist_from_wheel_url,
 )
 from pip._internal.network.session import PipSession
+
 from tests.lib import TestData
 from tests.lib.server import MockServer, file_response
 
diff --git a/tests/unit/test_network_session.py b/tests/unit/test_network_session.py
index 3f1a596ad8e..fd00d5c606c 100644
--- a/tests/unit/test_network_session.py
+++ b/tests/unit/test_network_session.py
@@ -6,6 +6,7 @@
 from urllib.request import getproxies
 
 import pytest
+
 from pip._vendor import requests
 
 from pip import __version__
diff --git a/tests/unit/test_network_utils.py b/tests/unit/test_network_utils.py
index 1b198c166fc..5911583feec 100644
--- a/tests/unit/test_network_utils.py
+++ b/tests/unit/test_network_utils.py
@@ -2,6 +2,7 @@
 
 from pip._internal.exceptions import NetworkConnectionError
 from pip._internal.network.utils import raise_for_status
+
 from tests.lib.requests_mocks import MockResponse
 
 
diff --git a/tests/unit/test_operations_prepare.py b/tests/unit/test_operations_prepare.py
index d06733e8503..86e26c11801 100644
--- a/tests/unit/test_operations_prepare.py
+++ b/tests/unit/test_operations_prepare.py
@@ -14,6 +14,7 @@
 from pip._internal.network.session import PipSession
 from pip._internal.operations.prepare import unpack_url
 from pip._internal.utils.hashes import Hashes
+
 from tests.lib import TestData
 from tests.lib.requests_mocks import MockResponse
 
diff --git a/tests/unit/test_options.py b/tests/unit/test_options.py
index aee64ccc932..8f3cf7de6a6 100644
--- a/tests/unit/test_options.py
+++ b/tests/unit/test_options.py
@@ -11,6 +11,7 @@
 from pip._internal.commands import create_command
 from pip._internal.commands.configuration import ConfigurationCommand
 from pip._internal.exceptions import PipError
+
 from tests.lib.options_helpers import AddFakeCommandMixin
 
 
diff --git a/tests/unit/test_packaging.py b/tests/unit/test_packaging.py
index 88277448c2c..6b8c4cd37d8 100644
--- a/tests/unit/test_packaging.py
+++ b/tests/unit/test_packaging.py
@@ -1,6 +1,7 @@
 from typing import Optional, Tuple
 
 import pytest
+
 from pip._vendor.packaging import specifiers
 from pip._vendor.packaging.requirements import Requirement
 
diff --git a/tests/unit/test_pep517.py b/tests/unit/test_pep517.py
index b9fcd9d2137..4264bbdcac8 100644
--- a/tests/unit/test_pep517.py
+++ b/tests/unit/test_pep517.py
@@ -7,6 +7,7 @@
 
 from pip._internal.exceptions import InstallationError, InvalidPyProjectBuildRequires
 from pip._internal.req import InstallRequirement
+
 from tests.lib import TestData
 
 
diff --git a/tests/unit/test_req.py b/tests/unit/test_req.py
index 8a95c058706..e243a718725 100644
--- a/tests/unit/test_req.py
+++ b/tests/unit/test_req.py
@@ -10,6 +10,7 @@
 from unittest import mock
 
 import pytest
+
 from pip._vendor.packaging.markers import Marker
 from pip._vendor.packaging.requirements import Requirement
 
@@ -46,6 +47,7 @@
     handle_requirement_line,
 )
 from pip._internal.resolution.legacy.resolver import Resolver
+
 from tests.lib import TestData, make_test_finder, requirements_file, wheel
 
 
diff --git a/tests/unit/test_req_file.py b/tests/unit/test_req_file.py
index 1ddccdee58e..7593e55d679 100644
--- a/tests/unit/test_req_file.py
+++ b/tests/unit/test_req_file.py
@@ -28,6 +28,7 @@
     preprocess,
 )
 from pip._internal.req.req_install import InstallRequirement
+
 from tests.lib import TestData, make_test_finder, requirements_file
 
 
diff --git a/tests/unit/test_req_install.py b/tests/unit/test_req_install.py
index 22b98f86da2..79828525da4 100644
--- a/tests/unit/test_req_install.py
+++ b/tests/unit/test_req_install.py
@@ -3,6 +3,7 @@
 from pathlib import Path
 
 import pytest
+
 from pip._vendor.packaging.requirements import Requirement
 
 from pip._internal.exceptions import InstallationError
diff --git a/tests/unit/test_req_uninstall.py b/tests/unit/test_req_uninstall.py
index 0523ffd7a07..0372eac9bd9 100644
--- a/tests/unit/test_req_uninstall.py
+++ b/tests/unit/test_req_uninstall.py
@@ -16,6 +16,7 @@
     compress_for_rename,
     uninstallation_paths,
 )
+
 from tests.lib import create_file
 
 
diff --git a/tests/unit/test_resolution_legacy_resolver.py b/tests/unit/test_resolution_legacy_resolver.py
index b2f93b3d4f5..489f678c561 100644
--- a/tests/unit/test_resolution_legacy_resolver.py
+++ b/tests/unit/test_resolution_legacy_resolver.py
@@ -5,6 +5,7 @@
 from unittest import mock
 
 import pytest
+
 from pip._vendor.packaging.specifiers import SpecifierSet
 from pip._vendor.packaging.utils import NormalizedName
 
@@ -21,6 +22,7 @@
     Resolver,
     _check_dist_requires_python,
 )
+
 from tests.lib import TestData, make_test_finder
 from tests.lib.index import make_mock_candidate
 
diff --git a/tests/unit/test_self_check_outdated.py b/tests/unit/test_self_check_outdated.py
index 605d9182a09..38ce648a09d 100644
--- a/tests/unit/test_self_check_outdated.py
+++ b/tests/unit/test_self_check_outdated.py
@@ -10,6 +10,7 @@
 
 import pytest
 from freezegun import freeze_time
+
 from pip._vendor.packaging.version import Version
 
 from pip._internal import self_outdated_check
diff --git a/tests/unit/test_target_python.py b/tests/unit/test_target_python.py
index 31df5935ee3..63e77a3d8a9 100644
--- a/tests/unit/test_target_python.py
+++ b/tests/unit/test_target_python.py
@@ -2,9 +2,11 @@
 from unittest import mock
 
 import pytest
+
 from pip._vendor.packaging.tags import Tag
 
 from pip._internal.models.target_python import TargetPython
+
 from tests.lib import CURRENT_PY_VERSION_INFO, pyversion
 
 
diff --git a/tests/unit/test_urls.py b/tests/unit/test_urls.py
index c4b8db681ff..539bf091fb2 100644
--- a/tests/unit/test_urls.py
+++ b/tests/unit/test_urls.py
@@ -5,6 +5,7 @@
 import pytest
 
 from pip._internal.utils.urls import path_to_url, url_to_path
+
 from tests.lib import (
     skip_needs_new_urlun_behavior_win,
     skip_needs_old_urlun_behavior_win,
diff --git a/tests/unit/test_utils.py b/tests/unit/test_utils.py
index d1e64262de2..6627a89496d 100644
--- a/tests/unit/test_utils.py
+++ b/tests/unit/test_utils.py
@@ -15,6 +15,7 @@
 from unittest.mock import Mock, patch
 
 import pytest
+
 from pip._vendor.packaging.requirements import Requirement
 
 from pip._internal.exceptions import HashMismatch, HashMissing, InstallationError
diff --git a/tests/unit/test_utils_unpacking.py b/tests/unit/test_utils_unpacking.py
index e0db5c4ba4a..5f89751311a 100644
--- a/tests/unit/test_utils_unpacking.py
+++ b/tests/unit/test_utils_unpacking.py
@@ -14,6 +14,7 @@
 
 from pip._internal.exceptions import InstallationError
 from pip._internal.utils.unpacking import is_within_directory, untar_file, unzip_file
+
 from tests.lib import TestData
 
 
diff --git a/tests/unit/test_utils_wheel.py b/tests/unit/test_utils_wheel.py
index 4e8e72be64a..b31b51ccae0 100644
--- a/tests/unit/test_utils_wheel.py
+++ b/tests/unit/test_utils_wheel.py
@@ -10,6 +10,7 @@
 
 from pip._internal.exceptions import UnsupportedWheel
 from pip._internal.utils import wheel
+
 from tests.lib import TestData
 
 _ZipDir = Callable[[Path], ZipFile]
diff --git a/tests/unit/test_vcs.py b/tests/unit/test_vcs.py
index 13ef42fc43f..c9a026968f4 100644
--- a/tests/unit/test_vcs.py
+++ b/tests/unit/test_vcs.py
@@ -14,6 +14,7 @@
 from pip._internal.vcs.mercurial import Mercurial
 from pip._internal.vcs.subversion import Subversion
 from pip._internal.vcs.versioncontrol import RevOptions, VersionControl
+
 from tests.lib import is_svn_installed, need_svn
 
 
diff --git a/tests/unit/test_vcs_mercurial.py b/tests/unit/test_vcs_mercurial.py
index d8e8f6cad27..ef52795a513 100644
--- a/tests/unit/test_vcs_mercurial.py
+++ b/tests/unit/test_vcs_mercurial.py
@@ -8,6 +8,7 @@
 
 from pip._internal.utils.misc import hide_url
 from pip._internal.vcs.mercurial import Mercurial
+
 from tests.lib import need_mercurial
 
 
diff --git a/tests/unit/test_wheel.py b/tests/unit/test_wheel.py
index ed6f5821133..7b44a59e4a4 100644
--- a/tests/unit/test_wheel.py
+++ b/tests/unit/test_wheel.py
@@ -12,6 +12,7 @@
 from unittest.mock import patch
 
 import pytest
+
 from pip._vendor.packaging.requirements import Requirement
 
 from pip._internal.exceptions import InstallationError
@@ -32,6 +33,7 @@
 from pip._internal.utils.compat import WINDOWS
 from pip._internal.utils.misc import hash_file
 from pip._internal.utils.unpacking import unpack_file
+
 from tests.lib import DATA_DIR, TestData, assert_paths_equal
 from tests.lib.wheel import make_wheel
 
diff --git a/tests/unit/test_wheel_builder.py b/tests/unit/test_wheel_builder.py
index d5f372dd5cd..a657e900b42 100644
--- a/tests/unit/test_wheel_builder.py
+++ b/tests/unit/test_wheel_builder.py
@@ -11,6 +11,7 @@
 from pip._internal.operations.build.wheel_legacy import format_command_result
 from pip._internal.req.req_install import InstallRequirement
 from pip._internal.vcs.git import Git
+
 from tests.lib import _create_test_package