pure theme not in list of available themes

[dasShounak]

General information

System report (output of prompt_pure_system_report):

Other information

I have:

• Tested with another terminal program and can reproduce the issue:
• Followed the integration instructions for my framework

Problem description

I have added the two lines in my .zshrc, but when I start the terminal, I get:

Reproduction steps

1. Install pure with npm
2. Add the config lines in .zshrc
3. Source or restart shell.

My .zshrc:

autoload -U promptinit; promptinit
prompt pure

Additional info

OS: Ubuntu 24.04 LTS
Shell: ZSH

List of themes available:

So I think the pure theme isn't included.