diff --git a/setup.cfg b/setup.cfg
index 6b034f0ee..450f953e4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,4 +1,5 @@
 [isort]
+profile = black
 skip =
     ./build,
     .nox,
@@ -6,14 +7,12 @@ skip =
     .scratch,
     _vendor,
     data
-multi_line_output = 3
 known_third_party =
     pip._vendor
 known_first_party =
     pip
     tests
 default_section = THIRDPARTY
-include_trailing_comma = true
 
 [flake8]
 max-line-length = 88
diff --git a/src/pip/_internal/cli/base_command.py b/src/pip/_internal/cli/base_command.py
index 8f14aa6b7..e4b07e0ce 100644
--- a/src/pip/_internal/cli/base_command.py
+++ b/src/pip/_internal/cli/base_command.py
@@ -12,10 +12,7 @@ import traceback
 
 from pip._internal.cli import cmdoptions
 from pip._internal.cli.command_context import CommandContextMixIn
-from pip._internal.cli.parser import (
-    ConfigOptionParser,
-    UpdatingDefaultsHelpFormatter,
-)
+from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
 from pip._internal.cli.status_codes import (
     ERROR,
     PREVIOUS_BUILD_DIR_ERROR,
@@ -35,10 +32,7 @@ from pip._internal.utils.deprecation import deprecated
 from pip._internal.utils.filesystem import check_path_owner
 from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging
 from pip._internal.utils.misc import get_prog, normalize_path
-from pip._internal.utils.temp_dir import (
-    global_tempdir_manager,
-    tempdir_registry,
-)
+from pip._internal.utils.temp_dir import global_tempdir_manager, tempdir_registry
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 from pip._internal.utils.virtualenv import running_under_virtualenv
 
@@ -46,8 +40,9 @@ if MYPY_CHECK_RUNNING:
     from optparse import Values
     from typing import Any, List, Optional, Tuple
 
-    from pip._internal.utils.temp_dir import \
-        TempDirectoryTypeRegistry as TempDirRegistry
+    from pip._internal.utils.temp_dir import (
+        TempDirectoryTypeRegistry as TempDirRegistry,
+    )
 
 __all__ = ['Command']
 
diff --git a/src/pip/_internal/cli/main_parser.py b/src/pip/_internal/cli/main_parser.py
index 6356d831d..ba3cf68aa 100644
--- a/src/pip/_internal/cli/main_parser.py
+++ b/src/pip/_internal/cli/main_parser.py
@@ -5,10 +5,7 @@ import os
 import sys
 
 from pip._internal.cli import cmdoptions
-from pip._internal.cli.parser import (
-    ConfigOptionParser,
-    UpdatingDefaultsHelpFormatter,
-)
+from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
 from pip._internal.commands import commands_dict, get_similar_commands
 from pip._internal.exceptions import CommandError
 from pip._internal.utils.misc import get_pip_version, get_prog
diff --git a/src/pip/_internal/cli/req_command.py b/src/pip/_internal/cli/req_command.py
index 76abce5ac..0757e34f6 100644
--- a/src/pip/_internal/cli/req_command.py
+++ b/src/pip/_internal/cli/req_command.py
@@ -38,10 +38,7 @@ if MYPY_CHECK_RUNNING:
     from pip._internal.req.req_install import InstallRequirement
     from pip._internal.req.req_tracker import RequirementTracker
     from pip._internal.resolution.base import BaseResolver
-    from pip._internal.utils.temp_dir import (
-        TempDirectory,
-        TempDirectoryTypeRegistry,
-    )
+    from pip._internal.utils.temp_dir import TempDirectory, TempDirectoryTypeRegistry
 
 
 logger = logging.getLogger(__name__)
diff --git a/src/pip/_internal/commands/configuration.py b/src/pip/_internal/commands/configuration.py
index 2a6311acd..1ab90b47b 100644
--- a/src/pip/_internal/commands/configuration.py
+++ b/src/pip/_internal/commands/configuration.py
@@ -4,11 +4,7 @@ import subprocess
 
 from pip._internal.cli.base_command import Command
 from pip._internal.cli.status_codes import ERROR, SUCCESS
-from pip._internal.configuration import (
-    Configuration,
-    get_configuration_files,
-    kinds,
-)
+from pip._internal.configuration import Configuration, get_configuration_files, kinds
 from pip._internal.exceptions import PipError
 from pip._internal.utils.logging import indent_log
 from pip._internal.utils.misc import get_prog, write_output
diff --git a/src/pip/_internal/commands/search.py b/src/pip/_internal/commands/search.py
index ea4f47db5..146d653e5 100644
--- a/src/pip/_internal/commands/search.py
+++ b/src/pip/_internal/commands/search.py
@@ -7,6 +7,7 @@ from collections import OrderedDict
 
 from pip._vendor import pkg_resources
 from pip._vendor.packaging.version import parse as parse_version
+
 # NOTE: XMLRPC Client is not annotated in typeshed as on 2017-07-17, which is
 #       why we ignore the type on this import
 from pip._vendor.six.moves import xmlrpc_client  # type: ignore
diff --git a/src/pip/_internal/index/package_finder.py b/src/pip/_internal/index/package_finder.py
index 19a9c2c13..5162a8191 100644
--- a/src/pip/_internal/index/package_finder.py
+++ b/src/pip/_internal/index/package_finder.py
@@ -34,16 +34,7 @@ from pip._internal.utils.unpacking import SUPPORTED_EXTENSIONS
 from pip._internal.utils.urls import url_to_path
 
 if MYPY_CHECK_RUNNING:
-    from typing import (
-        FrozenSet,
-        Iterable,
-        List,
-        Optional,
-        Set,
-        Text,
-        Tuple,
-        Union,
-    )
+    from typing import FrozenSet, Iterable, List, Optional, Set, Text, Tuple, Union
 
     from pip._vendor.packaging.tags import Tag
     from pip._vendor.packaging.version import _BaseVersion
diff --git a/src/pip/_internal/models/target_python.py b/src/pip/_internal/models/target_python.py
index 6d1ca7964..ad7e506a6 100644
--- a/src/pip/_internal/models/target_python.py
+++ b/src/pip/_internal/models/target_python.py
@@ -1,9 +1,6 @@
 import sys
 
-from pip._internal.utils.compatibility_tags import (
-    get_supported,
-    version_info_to_nodot,
-)
+from pip._internal.utils.compatibility_tags import get_supported, version_info_to_nodot
 from pip._internal.utils.misc import normalize_version_info
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
diff --git a/src/pip/_internal/network/download.py b/src/pip/_internal/network/download.py
index 56feaabac..76896e899 100644
--- a/src/pip/_internal/network/download.py
+++ b/src/pip/_internal/network/download.py
@@ -11,16 +11,8 @@ from pip._internal.cli.progress_bars import DownloadProgressProvider
 from pip._internal.exceptions import NetworkConnectionError
 from pip._internal.models.index import PyPI
 from pip._internal.network.cache import is_from_cache
-from pip._internal.network.utils import (
-    HEADERS,
-    raise_for_status,
-    response_chunks,
-)
-from pip._internal.utils.misc import (
-    format_size,
-    redact_auth_from_url,
-    splitext,
-)
+from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks
+from pip._internal.utils.misc import format_size, redact_auth_from_url, splitext
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
 if MYPY_CHECK_RUNNING:
diff --git a/src/pip/_internal/network/lazy_wheel.py b/src/pip/_internal/network/lazy_wheel.py
index a0f9e151d..608475aba 100644
--- a/src/pip/_internal/network/lazy_wheel.py
+++ b/src/pip/_internal/network/lazy_wheel.py
@@ -10,11 +10,7 @@ from zipfile import BadZipfile, ZipFile
 from pip._vendor.requests.models import CONTENT_CHUNK_SIZE
 from pip._vendor.six.moves import range
 
-from pip._internal.network.utils import (
-    HEADERS,
-    raise_for_status,
-    response_chunks,
-)
+from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 from pip._internal.utils.wheel import pkg_resources_distribution_for_wheel
 
diff --git a/src/pip/_internal/network/session.py b/src/pip/_internal/network/session.py
index 176f0fb68..454945d9a 100644
--- a/src/pip/_internal/network/session.py
+++ b/src/pip/_internal/network/session.py
@@ -25,6 +25,7 @@ from pip._vendor.urllib3.exceptions import InsecureRequestWarning
 from pip import __version__
 from pip._internal.network.auth import MultiDomainBasicAuth
 from pip._internal.network.cache import SafeFileCache
+
 # Import ssl from compat so the initial import occurs in only one place.
 from pip._internal.utils.compat import has_tls, ipaddress
 from pip._internal.utils.glibc import libc_ver
diff --git a/src/pip/_internal/operations/build/wheel_legacy.py b/src/pip/_internal/operations/build/wheel_legacy.py
index 37dc876ac..9da365e4d 100644
--- a/src/pip/_internal/operations/build/wheel_legacy.py
+++ b/src/pip/_internal/operations/build/wheel_legacy.py
@@ -2,9 +2,7 @@ import logging
 import os.path
 
 from pip._internal.cli.spinners import open_spinner
-from pip._internal.utils.setuptools_build import (
-    make_setuptools_bdist_wheel_args,
-)
+from pip._internal.utils.setuptools_build import make_setuptools_bdist_wheel_args
 from pip._internal.utils.subprocess import (
     LOG_DIVIDER,
     call_subprocess,
diff --git a/src/pip/_internal/operations/check.py b/src/pip/_internal/operations/check.py
index 52e8116e1..bc44d4357 100644
--- a/src/pip/_internal/operations/check.py
+++ b/src/pip/_internal/operations/check.py
@@ -7,9 +7,7 @@ from collections import namedtuple
 from pip._vendor.packaging.utils import canonicalize_name
 from pip._vendor.pkg_resources import RequirementParseError
 
-from pip._internal.distributions import (
-    make_distribution_for_install_requirement,
-)
+from pip._internal.distributions import make_distribution_for_install_requirement
 from pip._internal.utils.misc import get_installed_distributions
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
diff --git a/src/pip/_internal/operations/freeze.py b/src/pip/_internal/operations/freeze.py
index b98b8cd79..d4f790cd4 100644
--- a/src/pip/_internal/operations/freeze.py
+++ b/src/pip/_internal/operations/freeze.py
@@ -18,10 +18,7 @@ from pip._internal.utils.direct_url_helpers import (
     direct_url_as_pep440_direct_reference,
     dist_get_direct_url,
 )
-from pip._internal.utils.misc import (
-    dist_is_editable,
-    get_installed_distributions,
-)
+from pip._internal.utils.misc import dist_is_editable, get_installed_distributions
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
 if MYPY_CHECK_RUNNING:
diff --git a/src/pip/_internal/operations/install/wheel.py b/src/pip/_internal/operations/install/wheel.py
index af6b39052..8b67ebb94 100644
--- a/src/pip/_internal/operations/install/wheel.py
+++ b/src/pip/_internal/operations/install/wheel.py
@@ -21,14 +21,7 @@ from zipfile import ZipFile
 from pip._vendor import pkg_resources
 from pip._vendor.distlib.scripts import ScriptMaker
 from pip._vendor.distlib.util import get_export_entry
-from pip._vendor.six import (
-    PY2,
-    ensure_str,
-    ensure_text,
-    itervalues,
-    reraise,
-    text_type,
-)
+from pip._vendor.six import PY2, ensure_str, ensure_text, itervalues, reraise, text_type
 from pip._vendor.six.moves import filterfalse, map
 
 from pip._internal.exceptions import InstallationError
@@ -36,12 +29,7 @@ from pip._internal.locations import get_major_minor_version
 from pip._internal.models.direct_url import DIRECT_URL_METADATA_NAME, DirectUrl
 from pip._internal.models.scheme import SCHEME_KEYS
 from pip._internal.utils.filesystem import adjacent_tmp_file, replace
-from pip._internal.utils.misc import (
-    captured_stdout,
-    ensure_dir,
-    hash_file,
-    partition,
-)
+from pip._internal.utils.misc import captured_stdout, ensure_dir, hash_file, partition
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 from pip._internal.utils.unpacking import (
     current_umask,
@@ -49,10 +37,7 @@ from pip._internal.utils.unpacking import (
     set_extracted_file_to_default_mode_plus_executable,
     zip_item_is_executable,
 )
-from pip._internal.utils.wheel import (
-    parse_wheel,
-    pkg_resources_distribution_for_wheel,
-)
+from pip._internal.utils.wheel import parse_wheel, pkg_resources_distribution_for_wheel
 
 # Use the custom cast function at runtime to make cast work,
 # and import typing.cast when performing pre-commit and type
diff --git a/src/pip/_internal/operations/prepare.py b/src/pip/_internal/operations/prepare.py
index acff7ffa1..37f84f47e 100644
--- a/src/pip/_internal/operations/prepare.py
+++ b/src/pip/_internal/operations/prepare.py
@@ -12,9 +12,7 @@ import shutil
 from pip._vendor.packaging.utils import canonicalize_name
 from pip._vendor.six import PY2
 
-from pip._internal.distributions import (
-    make_distribution_for_install_requirement,
-)
+from pip._internal.distributions import make_distribution_for_install_requirement
 from pip._internal.distributions.installed import InstalledDistribution
 from pip._internal.exceptions import (
     DirectoryUrlHashUnsupported,
@@ -34,12 +32,7 @@ from pip._internal.network.lazy_wheel import (
 from pip._internal.utils.filesystem import copy2_fixed
 from pip._internal.utils.hashes import MissingHashes
 from pip._internal.utils.logging import indent_log
-from pip._internal.utils.misc import (
-    display_path,
-    hide_url,
-    path_to_display,
-    rmtree,
-)
+from pip._internal.utils.misc import display_path, hide_url, path_to_display, rmtree
 from pip._internal.utils.temp_dir import TempDirectory
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 from pip._internal.utils.unpacking import unpack_file
diff --git a/src/pip/_internal/req/req_file.py b/src/pip/_internal/req/req_file.py
index b070dc640..c8c9165d3 100644
--- a/src/pip/_internal/req/req_file.py
+++ b/src/pip/_internal/req/req_file.py
@@ -13,10 +13,7 @@ import sys
 from pip._vendor.six.moves.urllib import parse as urllib_parse
 
 from pip._internal.cli import cmdoptions
-from pip._internal.exceptions import (
-    InstallationError,
-    RequirementsFileParseError,
-)
+from pip._internal.exceptions import InstallationError, RequirementsFileParseError
 from pip._internal.models.search_scope import SearchScope
 from pip._internal.network.utils import raise_for_status
 from pip._internal.utils.encoding import auto_decode
diff --git a/src/pip/_internal/req/req_install.py b/src/pip/_internal/req/req_install.py
index 9a6763074..42999a59f 100644
--- a/src/pip/_internal/req/req_install.py
+++ b/src/pip/_internal/req/req_install.py
@@ -22,10 +22,12 @@ from pip._internal.exceptions import InstallationError
 from pip._internal.locations import get_scheme
 from pip._internal.models.link import Link
 from pip._internal.operations.build.metadata import generate_metadata
-from pip._internal.operations.build.metadata_legacy import \
-    generate_metadata as generate_metadata_legacy
-from pip._internal.operations.install.editable_legacy import \
-    install_editable as install_editable_legacy
+from pip._internal.operations.build.metadata_legacy import (
+    generate_metadata as generate_metadata_legacy,
+)
+from pip._internal.operations.install.editable_legacy import (
+    install_editable as install_editable_legacy,
+)
 from pip._internal.operations.install.legacy import LegacyInstallFailure
 from pip._internal.operations.install.legacy import install as install_legacy
 from pip._internal.operations.install.wheel import install_wheel
diff --git a/src/pip/_internal/resolution/legacy/resolver.py b/src/pip/_internal/resolution/legacy/resolver.py
index 6ef00bba1..d0fc1a7b3 100644
--- a/src/pip/_internal/resolution/legacy/resolver.py
+++ b/src/pip/_internal/resolution/legacy/resolver.py
@@ -34,10 +34,7 @@ from pip._internal.resolution.base import BaseResolver
 from pip._internal.utils.compatibility_tags import get_supported
 from pip._internal.utils.logging import indent_log
 from pip._internal.utils.misc import dist_in_usersite, normalize_version_info
-from pip._internal.utils.packaging import (
-    check_requires_python,
-    get_requires_python,
-)
+from pip._internal.utils.packaging import check_requires_python, get_requires_python
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
 if MYPY_CHECK_RUNNING:
diff --git a/src/pip/_internal/resolution/resolvelib/provider.py b/src/pip/_internal/resolution/resolvelib/provider.py
index 99f99bfc2..a1bab05a4 100644
--- a/src/pip/_internal/resolution/resolvelib/provider.py
+++ b/src/pip/_internal/resolution/resolvelib/provider.py
@@ -5,16 +5,7 @@ from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 from .base import Constraint
 
 if MYPY_CHECK_RUNNING:
-    from typing import (
-        Any,
-        Dict,
-        Iterable,
-        Optional,
-        Sequence,
-        Set,
-        Tuple,
-        Union,
-    )
+    from typing import Any, Dict, Iterable, Optional, Sequence, Set, Tuple, Union
 
     from .base import Candidate, Requirement
     from .factory import Factory
diff --git a/src/pip/_internal/self_outdated_check.py b/src/pip/_internal/self_outdated_check.py
index fbd9dfd48..c2d166b18 100644
--- a/src/pip/_internal/self_outdated_check.py
+++ b/src/pip/_internal/self_outdated_check.py
@@ -13,16 +13,8 @@ from pip._vendor.six import ensure_binary
 from pip._internal.index.collector import LinkCollector
 from pip._internal.index.package_finder import PackageFinder
 from pip._internal.models.selection_prefs import SelectionPreferences
-from pip._internal.utils.filesystem import (
-    adjacent_tmp_file,
-    check_path_owner,
-    replace,
-)
-from pip._internal.utils.misc import (
-    ensure_dir,
-    get_distribution,
-    get_installed_version,
-)
+from pip._internal.utils.filesystem import adjacent_tmp_file, check_path_owner, replace
+from pip._internal.utils.misc import ensure_dir, get_distribution, get_installed_version
 from pip._internal.utils.packaging import get_installer
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
diff --git a/src/pip/_internal/utils/hashes.py b/src/pip/_internal/utils/hashes.py
index 4d4e26b59..b306dafe7 100644
--- a/src/pip/_internal/utils/hashes.py
+++ b/src/pip/_internal/utils/hashes.py
@@ -4,11 +4,7 @@ import hashlib
 
 from pip._vendor.six import iteritems, iterkeys, itervalues
 
-from pip._internal.exceptions import (
-    HashMismatch,
-    HashMissing,
-    InstallationError,
-)
+from pip._internal.exceptions import HashMismatch, HashMissing, InstallationError
 from pip._internal.utils.misc import read_chunks
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
diff --git a/src/pip/_internal/utils/misc.py b/src/pip/_internal/utils/misc.py
index 289db0e39..c122beb32 100644
--- a/src/pip/_internal/utils/misc.py
+++ b/src/pip/_internal/utils/misc.py
@@ -20,6 +20,7 @@ from itertools import tee
 
 from pip._vendor import pkg_resources
 from pip._vendor.packaging.utils import canonicalize_name
+
 # NOTE: retrying is not annotated in typeshed as on 2017-07-17, which is
 #       why we ignore the type on this import.
 from pip._vendor.retrying import retry  # type: ignore
@@ -30,17 +31,8 @@ from pip._vendor.six.moves.urllib.parse import unquote as urllib_unquote
 
 from pip import __version__
 from pip._internal.exceptions import CommandError
-from pip._internal.locations import (
-    get_major_minor_version,
-    site_packages,
-    user_site,
-)
-from pip._internal.utils.compat import (
-    WINDOWS,
-    expanduser,
-    stdlib_pkgs,
-    str_to_display,
-)
+from pip._internal.locations import get_major_minor_version, site_packages, user_site
+from pip._internal.utils.compat import WINDOWS, expanduser, stdlib_pkgs, str_to_display
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING, cast
 from pip._internal.utils.virtualenv import (
     running_under_virtualenv,
diff --git a/src/pip/_internal/utils/subprocess.py b/src/pip/_internal/utils/subprocess.py
index 1dfe02fa0..605e711e6 100644
--- a/src/pip/_internal/utils/subprocess.py
+++ b/src/pip/_internal/utils/subprocess.py
@@ -14,16 +14,7 @@ from pip._internal.utils.misc import HiddenText, path_to_display
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
 if MYPY_CHECK_RUNNING:
-    from typing import (
-        Any,
-        Callable,
-        Iterable,
-        List,
-        Mapping,
-        Optional,
-        Text,
-        Union,
-    )
+    from typing import Any, Callable, Iterable, List, Mapping, Optional, Text, Union
 
     CommandArgs = List[Union[str, HiddenText]]
 
diff --git a/src/pip/_internal/vcs/versioncontrol.py b/src/pip/_internal/vcs/versioncontrol.py
index e4f61a99c..219f79673 100644
--- a/src/pip/_internal/vcs/versioncontrol.py
+++ b/src/pip/_internal/vcs/versioncontrol.py
@@ -12,11 +12,7 @@ import sys
 from pip._vendor import pkg_resources
 from pip._vendor.six.moves.urllib import parse as urllib_parse
 
-from pip._internal.exceptions import (
-    BadCommand,
-    InstallationError,
-    SubProcessError,
-)
+from pip._internal.exceptions import BadCommand, InstallationError, SubProcessError
 from pip._internal.utils.compat import console_to_str, samefile
 from pip._internal.utils.logging import subprocess_logger
 from pip._internal.utils.misc import (
diff --git a/tests/functional/test_configuration.py b/tests/functional/test_configuration.py
index 63b243f78..f820bdc19 100644
--- a/tests/functional/test_configuration.py
+++ b/tests/functional/test_configuration.py
@@ -7,10 +7,7 @@ import textwrap
 import pytest
 
 from pip._internal.cli.status_codes import ERROR
-from pip._internal.configuration import (
-    CONFIG_BASENAME,
-    get_configuration_files,
-)
+from pip._internal.configuration import CONFIG_BASENAME, get_configuration_files
 from tests.lib.configuration_helpers import ConfigurationMixin, kinds
 
 
diff --git a/tests/functional/test_new_resolver_hashes.py b/tests/functional/test_new_resolver_hashes.py
index 4b13ebc30..ad5e2f3d0 100644
--- a/tests/functional/test_new_resolver_hashes.py
+++ b/tests/functional/test_new_resolver_hashes.py
@@ -4,10 +4,7 @@ import hashlib
 import pytest
 
 from pip._internal.utils.urls import path_to_url
-from tests.lib import (
-    create_basic_sdist_for_package,
-    create_basic_wheel_for_package,
-)
+from tests.lib import create_basic_sdist_for_package, create_basic_wheel_for_package
 
 _FindLinks = collections.namedtuple(
     "_FindLinks", "index_html sdist_hash wheel_hash",
diff --git a/tests/functional/test_search.py b/tests/functional/test_search.py
index 5918b4f64..1892e26b5 100644
--- a/tests/functional/test_search.py
+++ b/tests/functional/test_search.py
@@ -5,11 +5,7 @@ import pytest
 
 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 pip._internal.commands.search import highest_version, print_results, transform_hits
 from tests.lib import pyversion
 
 if pyversion >= '3':
diff --git a/tests/functional/test_uninstall.py b/tests/functional/test_uninstall.py
index 5def65871..6c687ada5 100644
--- a/tests/functional/test_uninstall.py
+++ b/tests/functional/test_uninstall.py
@@ -13,11 +13,7 @@ import pytest
 
 from pip._internal.req.constructors import install_req_from_line
 from pip._internal.utils.misc import rmtree
-from tests.lib import (
-    assert_all_changes,
-    create_test_package_with_setup,
-    need_svn,
-)
+from tests.lib import assert_all_changes, create_test_package_with_setup, need_svn
 from tests.lib.local_repos import local_checkout, local_repo
 
 
diff --git a/tests/unit/resolution_resolvelib/conftest.py b/tests/unit/resolution_resolvelib/conftest.py
index 87f5d129c..9c1c9e5c4 100644
--- a/tests/unit/resolution_resolvelib/conftest.py
+++ b/tests/unit/resolution_resolvelib/conftest.py
@@ -4,6 +4,7 @@ from pip._internal.cli.req_command import RequirementCommand
 from pip._internal.commands.install import InstallCommand
 from pip._internal.index.collector import LinkCollector
 from pip._internal.index.package_finder import PackageFinder
+
 # from pip._internal.models.index import PyPI
 from pip._internal.models.search_scope import SearchScope
 from pip._internal.models.selection_prefs import SelectionPreferences
diff --git a/tests/unit/test_finder.py b/tests/unit/test_finder.py
index 853af723b..55fdab3b8 100644
--- a/tests/unit/test_finder.py
+++ b/tests/unit/test_finder.py
@@ -8,10 +8,7 @@ from pip._vendor.packaging.tags import Tag
 from pkg_resources import parse_version
 
 import pip._internal.utils.compatibility_tags
-from pip._internal.exceptions import (
-    BestVersionAlreadyInstalled,
-    DistributionNotFound,
-)
+from pip._internal.exceptions import BestVersionAlreadyInstalled, DistributionNotFound
 from pip._internal.index.package_finder import (
     CandidateEvaluator,
     InstallationCandidate,
diff --git a/tests/unit/test_operations_prepare.py b/tests/unit/test_operations_prepare.py
index ab6aaf6aa..af3ce72a1 100644
--- a/tests/unit/test_operations_prepare.py
+++ b/tests/unit/test_operations_prepare.py
@@ -13,11 +13,7 @@ from pip._internal.network.session import PipSession
 from pip._internal.operations.prepare import _copy_source_tree, unpack_url
 from pip._internal.utils.hashes import Hashes
 from pip._internal.utils.urls import path_to_url
-from tests.lib.filesystem import (
-    get_filelist,
-    make_socket_file,
-    make_unreadable_file,
-)
+from tests.lib.filesystem import get_filelist, make_socket_file, make_unreadable_file
 from tests.lib.path import Path
 from tests.lib.requests_mocks import MockResponse
 
diff --git a/tests/unit/test_req_file.py b/tests/unit/test_req_file.py
index 69d93a0cd..f995d05a6 100644
--- a/tests/unit/test_req_file.py
+++ b/tests/unit/test_req_file.py
@@ -10,10 +10,7 @@ from pip._vendor.six import PY2
 from pretend import stub
 
 import pip._internal.req.req_file  # this will be monkeypatched
-from pip._internal.exceptions import (
-    InstallationError,
-    RequirementsFileParseError,
-)
+from pip._internal.exceptions import InstallationError, RequirementsFileParseError
 from pip._internal.models.format_control import FormatControl
 from pip._internal.network.session import PipSession
 from pip._internal.req.constructors import (
diff --git a/tests/unit/test_resolution_legacy_resolver.py b/tests/unit/test_resolution_legacy_resolver.py
index 561313c00..0388b42be 100644
--- a/tests/unit/test_resolution_legacy_resolver.py
+++ b/tests/unit/test_resolution_legacy_resolver.py
@@ -4,10 +4,7 @@ import mock
 import pytest
 from pip._vendor import pkg_resources
 
-from pip._internal.exceptions import (
-    NoneMetadataError,
-    UnsupportedPythonVersion,
-)
+from pip._internal.exceptions import NoneMetadataError, UnsupportedPythonVersion
 from pip._internal.req.constructors import install_req_from_line
 from pip._internal.resolution.legacy.resolver import (
     Resolver,
diff --git a/tests/unit/test_utils.py b/tests/unit/test_utils.py
index 0a1c47cd7..14b4d7482 100644
--- a/tests/unit/test_utils.py
+++ b/tests/unit/test_utils.py
@@ -16,11 +16,7 @@ from io import BytesIO
 import pytest
 from mock import Mock, patch
 
-from pip._internal.exceptions import (
-    HashMismatch,
-    HashMissing,
-    InstallationError,
-)
+from pip._internal.exceptions import HashMismatch, HashMissing, InstallationError
 from pip._internal.utils.deprecation import PipDeprecationWarning, deprecated
 from pip._internal.utils.encoding import BOMS, auto_decode
 from pip._internal.utils.glibc import (
diff --git a/tests/unit/test_utils_unpacking.py b/tests/unit/test_utils_unpacking.py
index d01ffb9cd..5c2be24d4 100644
--- a/tests/unit/test_utils_unpacking.py
+++ b/tests/unit/test_utils_unpacking.py
@@ -10,11 +10,7 @@ import zipfile
 import pytest
 
 from pip._internal.exceptions import InstallationError
-from pip._internal.utils.unpacking import (
-    is_within_directory,
-    untar_file,
-    unzip_file,
-)
+from pip._internal.utils.unpacking import is_within_directory, untar_file, unzip_file
 
 
 class TestUnpackArchives(object):
diff --git a/tests/unit/test_wheel.py b/tests/unit/test_wheel.py
index 6c9fe02b3..35916058a 100644
--- a/tests/unit/test_wheel.py
+++ b/tests/unit/test_wheel.py
@@ -19,9 +19,7 @@ from pip._internal.models.direct_url import (
     DirectUrl,
 )
 from pip._internal.models.scheme import Scheme
-from pip._internal.operations.build.wheel_legacy import (
-    get_legacy_build_wheel_path,
-)
+from pip._internal.operations.build.wheel_legacy import get_legacy_build_wheel_path
 from pip._internal.operations.install import wheel
 from pip._internal.utils.compat import WINDOWS
 from pip._internal.utils.misc import hash_file