Pythons nltk punkt_tab not found

Help
1

Hello there, im trying to run a python script that uses punkt_tab, im using a devshell from a flake but even with the python libs loaded i keep getting the error message.

(python3.withPackages (
    p: with p; [
        nltk
        nltk-data.punkt-tab
    ]
))

LookupError: 
**********************************************************************
  Resource punkt_tab not found.
  Please use the NLTK Downloader to obtain the resource:

  >>> import nltk
  >>> nltk.download('punkt_tab')
  
  For more information see: https://www.nltk.org/data.html

  Attempted to load tokenizers/punkt_tab/english/

  Searched in:
    - '~/nltk_data'
    - '/nix/store/zs9ngbdyrhykxcvkzgapvyz00ml74jbd-python3-3.13.11-env/nltk_data'
    - '/nix/store/zs9ngbdyrhykxcvkzgapvyz00ml74jbd-python3-3.13.11-env/share/nltk_data'
    - '/nix/store/zs9ngbdyrhykxcvkzgapvyz00ml74jbd-python3-3.13.11-env/lib/nltk_data'
    - '/usr/share/nltk_data'
    - '/usr/local/share/nltk_data'
    - '/usr/lib/nltk_data'
    - '/usr/local/lib/nltk_data'
**********************************************************************
2

Creating the env variable fixed the problem
```nix
env.NLTK_DATA = "${pkgs.nltk-data.punkt-tab}";
```