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: pypi_packages.rb
    path of file: ./repos/gitlabhq/lib/api
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

# PyPI Package Manager Client API
#
# These API endpoints are not meant
    
      def track_simple_event(group_or_project, event_name)
        if group_or_project.is_a?(Project)
          project = group_or_project
          namespace = group_or_project.namespace
        else
          project = nil
          namespace = group_or_project
        end