Fix formatting

tests/unit/test_isort.py

@@ -4,23 +4,24 @@
 """
 import os
 import os.path
-from pathlib import Path
 import subprocess
 import sys
 from io import StringIO
+from pathlib import Path
 from tempfile import NamedTemporaryFile
-from typing import Any, Dict, Iterator, List, Set, Tuple, TYPE_CHECKING
+from typing import TYPE_CHECKING, Any, Dict, Iterator, List, Set, Tuple
 
 import py
 import pytest
 import toml
+
 import isort
-from isort import api, sections, files
+from isort import api, files, sections
+from isort.exceptions import ExistingSyntaxErrors, FileSkipped, MissingSection
 from isort.settings import Config
-
 from isort.utils import exists_case_sensitive
-from isort.exceptions import FileSkipped, ExistingSyntaxErrors, MissingSection
-from .utils import as_stream, UnreadableStream
+
+from .utils import UnreadableStream, as_stream
 
 if TYPE_CHECKING:
     WrapModes: Any