From d599c208f4f537c6e66dc7467d9a0362baa1a18c Mon Sep 17 00:00:00 2001
From: Antti Kaihola <13725+akaihola@users.noreply.github.com>
Date: Thu, 17 Oct 2024 16:30:54 +0200
Subject: [PATCH] test: satisfy updated linters

---
 src/darker/black_diff.py | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/src/darker/black_diff.py b/src/darker/black_diff.py
index b9c106648..6cccb9495 100644
--- a/src/darker/black_diff.py
+++ b/src/darker/black_diff.py
@@ -32,10 +32,21 @@
   based on whether reformats touch user-edited lines
 
 """
+
+from __future__ import annotations
+
 import inspect
 import logging
-from pathlib import Path
-from typing import Collection, Optional, Pattern, Set, Tuple, TypedDict, Union
+from typing import (
+    TYPE_CHECKING,
+    Collection,
+    Optional,
+    Pattern,
+    Set,
+    Tuple,
+    TypedDict,
+    Union,
+)
 
 # `FileMode as Mode` required to satisfy mypy==0.782. Strange.
 from black import FileMode as Mode
@@ -56,6 +67,9 @@
 from darkgraylib.config import ConfigurationError
 from darkgraylib.utils import TextDocument
 
+if TYPE_CHECKING:
+    from pathlib import Path
+
 __all__ = ["BlackConfig", "Mode", "run_black"]
 
 logger = logging.getLogger(__name__)
@@ -69,9 +83,9 @@ class BlackConfig(TypedDict, total=False):
     """Type definition for Black configuration dictionaries"""
 
     config: str
-    exclude: Pattern[str]
-    extend_exclude: Pattern[str]
-    force_exclude: Pattern[str]
+    exclude: Pattern[str] | None
+    extend_exclude: Pattern[str] | None
+    force_exclude: Pattern[str] | None
     target_version: Union[str, Set[str]]
     line_length: int
     skip_string_normalization: bool
@@ -164,7 +178,7 @@ def filter_python_files(
             directories,
             root,
             include=DEFAULT_INCLUDE_RE,
-            exclude=black_config.get("exclude", DEFAULT_EXCLUDE_RE),
+            exclude=black_config.get("exclude") or DEFAULT_EXCLUDE_RE,
             extend_exclude=black_config.get("extend_exclude"),
             force_exclude=black_config.get("force_exclude"),
             report=Report(),