Description of the issue:

gcc libmysqlclient.dev postgresql_16.dev python39 | error: attribute 'dev' missing

This was not happening yesterday, im running a python web app in django, suddenly did a push and this error appears, checked my requirements file if something could be the error, didnt worked, also reversed and pushed another FUNCTIONAL version and yet didnt worked, thought could be an error of railway

Complete log:
[Region: us-west1]

==============

Using Nixpacks

==============

context: 563f289ce6d54ec72d4d7fb86a491f9d

╔══════════════════════════════ Nixpacks v1.31.0 ══════════════════════════════╗

║ setup │ python39, postgresql_16.dev, libmysqlclient.dev, gcc ║

║──────────────────────────────────────────────────────────────────────────────║

║ install │ python -m venv --copies /opt/venv && . /opt/venv/bin/activate ║

║ │ && pip install -r requirements.txt ║

║──────────────────────────────────────────────────────────────────────────────║

║ start │ gunicorn hower.wsgi:application --timeout 60 ║

╚══════════════════════════════════════════════════════════════════════════════╝

0 building with "builder-hCcI" instance using docker-container driver

1 [internal] load build definition from Dockerfile

1 transferring dockerfile: 2.67kB done

1 DONE 0.0s

2 [internal] load metadata for ghcr.io/railwayapp/nixpacks:ubuntu-1736208272

2 DONE 0.2s

3 [stage-0 1/10] FROM ghcr.io/railwayapp/nixpacks:ubuntu-1736208272@sha256:373a5b6b1b703c1b8cb6e5bf9c0147a22b54f0497265fd108c303aaf4032b6c9

3 resolve ghcr.io/railwayapp/nixpacks:ubuntu-1736208272@sha256:373a5b6b1b703c1b8cb6e5bf9c0147a22b54f0497265fd108c303aaf4032b6c9 done

3 DONE 0.0s

4 [stage-0 2/10] WORKDIR /app/

4 CACHED

5 [internal] load .dockerignore

5 transferring context: 2B done

5 DONE 0.0s

6 [internal] load build context

6 transferring context: 503.92MB 5.0s

6 transferring context: 537.63MB 5.6s done

6 DONE 5.7s

7 [stage-0 3/8] COPY .nixpacks/nixpkgs-5148520bfab61f99fd25fb9ff7bfbb50dad3c9db.nix .nixpacks/nixpkgs-5148520bfab61f99fd25fb9ff7bfbb50dad3c9db.nix

7 DONE 0.1s

8 [stage-0 4/8] RUN nix-env -if .nixpacks/nixpkgs-5148520bfab61f99fd25fb9ff7bfbb50dad3c9db.nix && nix-collect-garbage -d

8 0.136 unpacking 'https://github.com/NixOS/nixpkgs/archive/5148520bfab61f99fd25fb9ff7bfbb50dad3c9db.tar.gz'; into the Git cache…

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