From 95e137f053caaa4c424915ef408cd2920dadc516 Mon Sep 17 00:00:00 2001
From: Daniel Schadt <kingdread@gmx.de>
Date: Mon, 29 Dec 2025 17:15:16 +0100
Subject: fix types in fstrans

---
 fietsboek/fstrans.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/fietsboek/fstrans.py b/fietsboek/fstrans.py
index 13b0018..35cc992 100644
--- a/fietsboek/fstrans.py
+++ b/fietsboek/fstrans.py
@@ -68,7 +68,7 @@ import shutil
 import uuid
 from pathlib import Path
 
-import transaction
+import transaction  # type: ignore
 from filelock import FileLock
 
 LOGGER = logging.getLogger(__name__)
@@ -128,7 +128,7 @@ class WriteBytes(Action):
     def __init__(self, path: Path, data: bytes):
         self.path = path
         self.data = data
-        self.old = None
+        self.old: bytes | None = None
 
     def __repr__(self):
         return f"<WriteBytes {len(self.data)} to {self.path}>"
@@ -152,7 +152,7 @@ class Unlink(Action):
 
     def __init__(self, path: Path):
         self.path = path
-        self.old = None
+        self.old: bytes | None = None
 
     def __repr__(self):
         return f"<Unlink {self.path}>"
@@ -162,7 +162,10 @@ class Unlink(Action):
         self.path.unlink()
 
     def undo(self):
-        self.path.write_bytes(self.old)
+        # This should not happen, unless an exception occurs when we read the
+        # file
+        if self.old is not None:
+            self.path.write_bytes(self.old)
 
 
 class MakeDir(Action):
@@ -171,7 +174,7 @@ class MakeDir(Action):
     def __init__(self, path: Path, exist_ok: bool = False):
         self.path = path
         self.exist_ok = exist_ok
-        self.existed = None
+        self.existed: bool | None = None
 
     def __repr__(self):
         return f"<MakeDir {self.path}>"
-- 
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