code: def get_default_project_directory():
      
  
      server_config = Config.instance().get_section_config("Server")
      path = os.path.expanduser(server_config.get("projects_path", "~/GNS3/projects"))
      path = os.path.normpath(path)
      try:
          os.makedirs(path, exist_ok=True)
      except OSError as e:
          raise aiohttp.web.HTTPInternalServerError(text="Could not create project directory: {}".format(e))
      return path
docs: Return the default location for the project directory
      depending of the operating system