- update to 5.4.1:
* fixed a regression from version 5.4.0 that incorrectly
handled files opened twice via file descriptor
- update to 5.4.0
* Improves permission handling.
* added support for `O_NOFOLLOW` and `O_DIRECTORY` flags in
`os.open`
* added support for fake `os.dup`, `os.dup2` and `os.lseek`
* fixed a specific problem on reloading a pandas-related module
* added possibility for unload hooks for specific modules
use this also to reload django views (see #932)
* fixed `EncodingWarning` for Python >= 3.11 (see #957)
consider directory ownership while adding or removing
directory entries
* fixed handling of directory enumeration and search
permissions under Posix systems
* fixed creation of the temp directory in the fake file system
after a filesystem reset
* fixed handling of `dirfd` in `os.symlink` (see #968)
* add missing `follow_symlink` argument to `os.link` (see #973)
* fixed handling of missing attribute in `os.getxattr` (see
* fixed permission problem with `shutil.rmtree` if emulating
Windows under POSIX
* fixed handling of errors on opening files via file descriptor
* fixed handling of `umask` - it is now applied by default
* fixed behavior of `os.makedirs` (see #987)