code: def import_checks(path):
      
      dir = internal.check_dir / path
      file = internal.load_config(dir)["checks"]
      mod = internal.import_file(dir.name, (dir / file).resolve())
      sys.modules[dir.name] = mod
      return mod
docs: Import checks module given relative path.
  
      :param path: relative path from which to import checks module
      :type path: str
      :returns: the imported module
      :raises FileNotFoundError: if ``path / .check50.yaml`` does not exist
      :raises yaml.YAMLError: if ``path / .check50.yaml`` is not a valid YAML file
  
      This function is particularly useful when a set of checks logically extends
      another, as is often the case in CS50's own problems that have a "less comfy"
      and "more comfy" version. The "more comfy" version can include all of the
      "less comfy" checks like so::
  
          less = check50.import_checks("../less")
          from less import *
  
      .. note::
          the ``__name__`` of the imported module is given by the basename
          of the specified path (``less`` in the above example).