@classmethod
def _convert_to_alignment(cls, alignment_dict):
    """
        Convert ``alignment_dict`` to an openpyxl v2 Alignment object
        Parameters
        ----------
        alignment_dict : dict
            A dict with zero or more of the following keys (or their synonyms).
                'horizontal'
                'vertical'
                'text_rotation'
                'wrap_text'
                'shrink_to_fit'
                'indent'
        Returns
        -------
        alignment : openpyxl.styles.Alignment
        """
    from openpyxl.styles import Alignment
    return Alignment(**alignment_dict)
