python3.14 nogil free threading

[kr-g]

following the steps to install python3.14 nogil (free threading) under linux:

sudo -i 

add-apt-repository ppa:deadsnakes
apt-get update
apt-get install python3.14-nogil

apt-get install python3.14-venv
apt-get install python3.14-tk

return to user bash: (control+d)

python3.14-nogil -m ensurepip --upgrade

python3.14-nogil -m venv .nogil
source .nogil/bin/activate

pip install --upgrade pip

running python then from bash and importing tkinter

python3.14-nogil

import tkinter

following error message is thrown ==>

Traceback (most recent call last):
  File "/usr/lib/python3.14/tkinter/__init__.py", line 39, in <module>
    import _tkinter
ModuleNotFoundError: No module named '_tkinter'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<python-input-0>", line 1, in <module>
    import tkinter
  File "/usr/lib/python3.14/tkinter/__init__.py", line 41, in <module>
    raise ImportError(str(msg) + ', please install the python3-tk package')
ImportError: No module named '_tkinter', please install the python3-tk package