docs: def get_path(self, name, default=None):
          """Retrieves an environment variable as a filesystem path.
  
          Requires the `pathlib`_ library if using Python <= 3.4.
  
          Args:
              name (str): The case-insensitive, unprefixed variable name.
              default: If provided, a default value will be returned
                  instead of throwing ``EnvironmentError``.
  
          Returns:
              pathlib.Path: The environment variable as a ``pathlib.Path``
                  object.
  
          Raises:
              EnvironmentError: If the environment variable does not
                  exist, and ``default`` was not provided.
  
          .. _pathlib:
             https://pypi.python.org/pypi/pathlib/
  
          """
          if name not in self:
              if default is not None:
                  return default
              raise EnvironmentError.not_found(self._prefix, name)
          return pathlib.Path(self[name])