[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

tests/vcs/git/conftest.py

@@ -15,7 +15,7 @@
 @pytest.fixture()
 def temp_repo(tmp_path: Path) -> TempRepoFixture:
     """Temporary repository with 2 commits"""
-    repo = dulwich.repo.Repo.init(str(tmp_path), default_branch=b'main')
+    repo = dulwich.repo.Repo.init(str(tmp_path), default_branch=b"main")
     worktree = repo.get_worktree()
 
     # init commit