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: django.rb
    path of file: ./repos/arachni/components/fingerprinters/frameworks
    
    the code of the file until where you have to start completion: =begin
    C
    
    def run
        return update_platforms if server_or_powered_by_include?( 'django' )

        headers.keys.each do |header|
            return update_platforms if header.start_with?( 'x-django')
        end
    end