Internal load function. Creates the object and returns it.

            Arguments:
            data_file -- The filename to load.

def _load(self, data_file):
        """ Internal load function. Creates the object and returns it.

            Arguments:
            data_file -- The filename to load.
        """

       # Load the data from a file.
        try:
            data = Schema().load(data_file)
        except (Exception, IOError, ValueError) as e:
            raise e

        return data