don't need workaround

src/allmydata/util/pid.py

@@ -5,7 +5,6 @@ Process IDentification-related helpers.
 from __future__ import annotations
 
 import psutil
-from attrs import frozen
 
 # the docs are a little misleading, but this is either WindowsFileLock
 # or UnixFileLock depending upon the platform we're currently on
@@ -81,7 +80,7 @@ def check_pid_process(pidfile: FilePath) -> None:
         # a short timeout is fine, this lock should only be active
         # while someone is reading or deleting the pidfile .. and
         # facilitates testing the locking itself.
-        with FileLock(_CouldBeBytesPath(lock_path.path), timeout=2):
+        with FileLock(lock_path.path, timeout=2):
             # check if we have another instance running already
             if pidfile.exists():
                 pid, starttime = parse_pidfile(pidfile)
@@ -121,7 +120,7 @@ def cleanup_pidfile(pidfile: FilePath) -> None:
     all goes wrong, `CannotRemovePidFile` is raised.
     """
     lock_path = _pidfile_to_lockpath(pidfile)
-    with FileLock(_CouldBeBytesPath(lock_path.path)):
+    with FileLock(lock_path.path):
         try:
             pidfile.remove()
         except Exception as e:
@@ -131,15 +130,3 @@ def cleanup_pidfile(pidfile: FilePath) -> None:
                     err=e,
                 )
             )
-
-@frozen
-class _CouldBeBytesPath(object):
-    """
-    Sneak bytes past `FileLock.__init__`.
-
-    See https://github.com/tox-dev/py-filelock/issues/258
-    """
-    _path: str | bytes
-
-    def __fspath__(self) -> str | bytes:
-        return self._path