You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: sgr.rb
    path of file: ./repos/homebrew-core/Formula/s
    
    the code of the file until where you have to start completion: class Sgr < Formula
  include Language::Python::Virtualenv

  desc "Command-line client for Splitgraph, a version control system for data"
  homepage "https://www.splitgrap
    
  def install
    # TODO: remove with newer `pglast` (4.4+)
    ENV.append_path "PYTHONPATH", Formula["libcython"].opt_libexec/Language::Python.site_packages("python3.12")

    virtualenv_install_with_resources

    generate_completions_from_executable(bin/"sgr", shells: [:fish, :zsh], shell_parameter_format: :click)
  end