--install/show-completion failed in a brew installation

[flavono123]

Describe the bug
a command with option flags --install-completion or show-completion is failed

To Reproduce

1. install from brew within macos(detail versions are below)
2. krr --install-completion or krr --show-completion in a terminal

Expected behavior
should work for both option flags

Screenshots

❯ krr --install-completion
╭─────────────────── Traceback (most recent call last) ────────────────────╮
│  /PATH/HOME/shellingham/__init__.py:13 in detect_shell                   │
│                                                                          │
│ [Errno 2] No such file or directory:                                     │
│ ' /PATH/HOME/shellingham/__init__.py'                                    │
│                                                                          │
│  /PATH/HOME/importlib/__init__.py:127 in import_module                   │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/importlib/__init__.py' │
│ <frozen importlib._bootstrap>:1030 in _gcd_import                        │
│ <frozen importlib._bootstrap>:1007 in _find_and_load                     │
│ <frozen importlib._bootstrap>:984 in _find_and_load_unlocked             │
╰──────────────────────────────────────────────────────────────────────────╯
ModuleNotFoundError: No module named 'shellingham.posix'

During handling of the above exception, another exception occurred:

╭─────────────────── Traceback (most recent call last) ────────────────────╮
│  /PATH/HOME/krr.py:4 in <module>                                         │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/krr.py'                │
│                                                                          │
│  /PATH/HOME/robusta_krr/main.py:275 in run                               │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/robusta_krr/main.py'   │
│                                                                          │
│  /PATH/HOME/typer/main.py:328 in __call__                                │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/typer/main.py'         │
│                                                                          │
│  /PATH/HOME/typer/main.py:311 in __call__                                │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/typer/main.py'         │
│                                                                          │
│  /PATH/HOME/click/core.py:1130 in __call__                               │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/click/core.py'         │
│                                                                          │
│  /PATH/HOME/typer/core.py:778 in main                                    │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/typer/core.py'         │
│                                                                          │
│  /PATH/HOME/typer/core.py:215 in _main                                   │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/typer/core.py'         │
│                                                                          │
│  /PATH/HOME/click/core.py:920 in make_context                            │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/click/core.py'         │
│                                                                          │
│  /PATH/HOME/click/core.py:1613 in parse_args                             │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/click/core.py'         │
│                                                                          │
│  /PATH/HOME/click/core.py:1378 in parse_args                             │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/click/core.py'         │
│                                                                          │
│  /PATH/HOME/click/core.py:2360 in handle_parse_result                    │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/click/core.py'         │
│                                                                          │
│  /PATH/HOME/click/core.py:2322 in process_value                          │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/click/core.py'         │
│                                                                          │
│  /PATH/HOME/typer/main.py:988 in wrapper                                 │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/typer/main.py'         │
│                                                                          │
│  /PATH/HOME/typer/completion.py:41 in install_callback                   │
│                                                                          │
│ [Errno 2] No such file or directory: ' /PATH/HOME/typer/completion.py'   │
│                                                                          │
│  /PATH/HOME/typer/_completion_shared.py:221 in install                   │
│                                                                          │
│ [Errno 2] No such file or directory:                                     │
│ ' /PATH/HOME/typer/_completion_shared.py'                                │
│                                                                          │
│  /PATH/HOME/shellingham/__init__.py:16 in detect_shell                   │
│                                                                          │
│ [Errno 2] No such file or directory:                                     │
│ ' /PATH/HOME/shellingham/__init__.py'                                    │
╰──────────────────────────────────────────────────────────────────────────╯
RuntimeError: Shell detection not implemented for 'posix'
[18671] Failed to execute script 'krr' due to unhandled exception!

Are you interested in contributing a fix for this?
Yes/no. If yes, we will provide guidance what parts of the code to modify and help you.

Desktop (please complete the following information):

• OS: macOS
• Browser 🤷
• Version 14.2(23C64)

❯ sw_vers
ProductName:		macOS
ProductVersion:		14.2
BuildVersion:		23C64

Smartphone (please complete the following information):
N/A

Additional context
guess the installation refer wrong paths to run typer commands(?)
installed from brew 1.0.0, at the first time, upgraded also with brew to 1.6.0:

❯ which krr
/opt/homebrew/bin/krr