Returns SFrame of style images used for training the model

        Parameters
        ----------
        style: int or list, optional
            The selected style or list of styles to return. If `None`, all
            styles will be returned

        See Also
        --------
        stylize

        Examples
        --------
        >>>  model.get_styles()
        Columns:
            style   int
            image   Image

        Rows: 4

        Data:
        +-------+--------------------------+
        | style |          image           |
        +-------+--------------------------+
        |  0    |  Height: 642 Width: 642  |
        |  1    |  Height: 642 Width: 642  |
        |  2    |  Height: 642 Width: 642  |
        |  3    |  Height: 642 Width: 642  |
        +-------+--------------------------+

def get_styles(self, style=None):
        """
        Returns SFrame of style images used for training the model

        Parameters
        ----------
        style: int or list, optional
            The selected style or list of styles to return. If `None`, all
            styles will be returned

        See Also
        --------
        stylize

        Examples
        --------
        >>>  model.get_styles()
        Columns:
            style   int
            image   Image

        Rows: 4

        Data:
        +-------+--------------------------+
        | style |          image           |
        +-------+--------------------------+
        |  0    |  Height: 642 Width: 642  |
        |  1    |  Height: 642 Width: 642  |
        |  2    |  Height: 642 Width: 642  |
        |  3    |  Height: 642 Width: 642  |
        +-------+--------------------------+
        """

        style, _ = self._style_input_check(style)
        return self.styles.filter_by(style, self._index_column)