update to MacOS Ventura 13.1 and command not found: nix-shell :(

[philljon]

Describe the bug

update OS this morning (MacOs Ventura 13.1)
receive this response to starting nix-shell

When backing up /etc/bashrc.backup-before-nix I notice that the file has nix related code.

Please open an issue or get in touch immediately.

If you have a problem with a specific package or NixOS,
you probably want to file an issue at https://github.com/NixOS/nixpkgs/issues.

Steps To Reproduce

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4. See error

Expected behavior

A clear and concise description of what you expected to happen.

nix-env --version output

Additional context

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[philljon]

FIXED:
#2280