Switch to isort 5 for pylint's own code

.isort.cfg

@@ -4,4 +4,4 @@ line_length=88
 known_third_party=astroid, sphinx, isort, pytest, mccabe, six, toml
 include_trailing_comma=True
 skip_glob=tests/functional/**,tests/input/**,tests/extensions/data/**,tests/regrtest_data/**,tests/data/**,astroid/**,venv/**
-project=pylint
+src_paths=pylint

pylint/checkers/base.py

@@ -54,7 +54,6 @@
 # For details: https://github.com/PyCQA/pylint/blob/master/COPYING
 
 """basic checker for Python code"""
-
 import builtins
 import collections
 import itertools
@@ -67,8 +66,8 @@
 import astroid.scoped_nodes
 from astroid.arguments import CallSite
 
-import pylint.utils as lint_utils
 from pylint import checkers, exceptions, interfaces
+from pylint import utils as lint_utils
 from pylint.checkers import utils
 from pylint.checkers.utils import (
     is_overload_stub,

pylint/checkers/spelling.py

@@ -21,7 +21,6 @@
 
 """Checker for spelling errors in comments and docstrings.
 """
-
 import os
 import re
 import tokenize
@@ -33,12 +32,12 @@
 try:
     import enchant
     from enchant.tokenize import (  # type: ignore
-        get_tokenizer,
         Chunker,
-        Filter,
         EmailFilter,
+        Filter,
         URLFilter,
         WikiWordFilter,
+        get_tokenizer,
     )
 except ImportError:
     enchant = None

pylint/checkers/utils.py

@@ -50,13 +50,12 @@
 from functools import lru_cache, partial
 from typing import Callable, Dict, Iterable, List, Match, Optional, Set, Tuple, Union
 
+import _string
 import astroid
 from astroid import bases as _bases
 from astroid import helpers, scoped_nodes
 from astroid.exceptions import _NonDeducibleTypeHierarchy
 
-import _string  # pylint: disable=wrong-import-position, wrong-import-order
-
 BUILTINS_NAME = builtins.__name__
 COMP_NODE_TYPES = (
     astroid.ListComp,

pylint/epylint.py

@@ -56,10 +56,10 @@
 its output.
 """
 import os
-import os.path as osp
 import shlex
 import sys
 from io import StringIO
+from os import path as osp
 from subprocess import PIPE, Popen
 
 

pylint/extensions/docparams.py

@@ -21,9 +21,9 @@
 """
 import astroid
 
-import pylint.extensions._check_docs_utils as utils
 from pylint.checkers import BaseChecker
 from pylint.checkers import utils as checker_utils
+from pylint.extensions import _check_docs_utils as utils
 from pylint.interfaces import IAstroidChecker
 
 

pylint/graph.py

@@ -13,13 +13,12 @@
 
 (dot generation adapted from pypy/translator/tool/make_dot.py)
 """
-
 import codecs
 import os
-import os.path as osp
 import subprocess
 import sys
 import tempfile
+from os import path as osp
 
 
 def target_info_from_filename(filename):

setup.py

@@ -39,8 +39,8 @@
 
     USE_SETUPTOOLS = 1
 except ImportError:
-    from distutils.core import setup
     from distutils.command import install_lib  # pylint: disable=unused-import
+    from distutils.core import setup
 
     USE_SETUPTOOLS = 0
     easy_install_lib = None

tests/checkers/unittest_typecheck.py

@@ -26,7 +26,7 @@
 from pylint.testutils import CheckerTestCase, Message, set_config
 
 try:
-    import coverage.tracer as _
+    from coverage import tracer as _  # pylint: disable=unused-import
 
     C_EXTENTIONS_AVAILABLE = True
 except ImportError:

tests/extensions/test_bad_builtin.py

@@ -8,8 +8,7 @@
 
 """Tests for the pylint checker in :mod:`pylint.extensions.bad_builtin
 """
-
-import os.path as osp
+from os import path as osp
 
 import pytest
 

tests/extensions/test_broad_try_clause.py

@@ -8,9 +8,8 @@
 # For details: https://github.com/PyCQA/pylint/blob/master/COPYING
 
 """Tests for the pylint checker in :mod:`pylint.extensions.broad_try_clause`"""
-
-import os.path as osp
 import unittest
+from os import path as osp
 
 from pylint import checkers
 from pylint.extensions.broad_try_clause import BroadTryClauseChecker

tests/extensions/test_check_docs_utils.py

@@ -14,7 +14,7 @@
 import astroid
 import pytest
 
-import pylint.extensions._check_docs_utils as utils
+from pylint.extensions import _check_docs_utils as utils
 
 
 @pytest.mark.parametrize(

tests/extensions/test_check_mccabe.py

@@ -10,7 +10,7 @@
 """Tests for the pylint checker in :mod:`pylint.extensions.check_mccabe"""
 # pylint: disable=redefined-outer-name
 
-import os.path as osp
+from os import path as osp
 
 import pytest
 

tests/extensions/test_elseif_used.py

@@ -9,8 +9,7 @@
 
 """Tests for the pylint checker in :mod:`pylint.extensions.check_elif
 """
-
-import os.path as osp
+from os import path as osp
 
 import pytest
 

tests/extensions/test_emptystring.py

@@ -12,8 +12,7 @@
 
 """Tests for the pylint checker in :mod:`pylint.extensions.emptystring
 """
-
-import os.path as osp
+from os import path as osp
 
 import pytest
 

tests/extensions/test_redefined.py

@@ -7,8 +7,7 @@
 # For details: https://github.com/PyCQA/pylint/blob/master/COPYING
 
 """Tests for the pylint checker in :mod:`pylint.extensions.check_elif"""
-
-import os.path as osp
+from os import path as osp
 
 import pytest
 

tests/lint/unittest_lint.py

@@ -47,8 +47,7 @@
 
 import pytest
 
-import pylint.testutils as testutils
-from pylint import checkers, config, exceptions, interfaces, lint
+from pylint import checkers, config, exceptions, interfaces, lint, testutils
 from pylint.checkers.utils import check_messages
 from pylint.constants import (
     MSG_STATE_CONFIDENCE,

tests/test_import_graph.py

@@ -18,7 +18,7 @@
 
 import pytest
 
-import pylint.testutils as testutils
+from pylint import testutils
 from pylint.checkers import imports, initialize
 from pylint.lint import PyLinter
 

tests/test_regr.py

@@ -24,7 +24,7 @@
 import astroid
 import pytest
 
-import pylint.testutils as testutils
+from pylint import testutils
 
 REGR_DATA = join(dirname(abspath(__file__)), "regrtest_data")
 sys.path.insert(1, REGR_DATA)

tests/unittest_pyreverse_diadefs.py

@@ -19,6 +19,7 @@
 
 import astroid
 import pytest
+from unittest_pyreverse_writer import Config, get_project
 
 from pylint.pyreverse.diadefslib import (
     ClassDiadefGenerator,
@@ -27,7 +28,6 @@
     DiadefsHandler,
 )
 from pylint.pyreverse.inspector import Linker
-from unittest_pyreverse_writer import Config, get_project
 
 
 def _process_classes(classes):

tests/unittest_pyreverse_inspector.py

@@ -16,9 +16,9 @@
 import astroid
 import pytest
 from astroid import bases, nodes
+from unittest_pyreverse_writer import get_project
 
 from pylint.pyreverse import inspector
-from unittest_pyreverse_writer import get_project
 
 
 @pytest.fixture

tox.ini

@@ -40,7 +40,7 @@ deps =
     isort==5.4.2
 commands =
     black --check . --exclude="tests/functional/|tests/input|tests/extensions/data|tests/regrtest_data/|tests/data/|venv|astroid|.tox"
-    isort -rc . --check-only
+    isort . --check-only
 changedir = {toxinidir}
 
 [testenv:mypy]