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: pull_request.rb
    path of file: ./repos/hound/app/models
    
    the code of the file until where you have to start completion: # frozen_string_literal: true
class PullRequest
  FILE_REMOVED_STATUS = "removed"

  pattr_initi
    
  def modified_github_files
    github_files = github_api.pull_request_files(repo_name, number)

    github_files.select do |github_file|
      github_file.status != FILE_REMOVED_STATUS
    end
  end