Initialize a Tables object from a json dictionary.

def _from_dict(cls, _dict):
        """Initialize a Tables object from a json dictionary."""
        args = {}
        if 'location' in _dict:
            args['location'] = Location._from_dict(_dict.get('location'))
        if 'text' in _dict:
            args['text'] = _dict.get('text')
        if 'section_title' in _dict:
            args['section_title'] = SectionTitle._from_dict(
                _dict.get('section_title'))
        if 'table_headers' in _dict:
            args['table_headers'] = [
                TableHeaders._from_dict(x) for x in (_dict.get('table_headers'))
            ]
        if 'row_headers' in _dict:
            args['row_headers'] = [
                RowHeaders._from_dict(x) for x in (_dict.get('row_headers'))
            ]
        if 'column_headers' in _dict:
            args['column_headers'] = [
                ColumnHeaders._from_dict(x)
                for x in (_dict.get('column_headers'))
            ]
        if 'key_value_pairs' in _dict:
            args['key_value_pairs'] = [
                KeyValuePair._from_dict(x)
                for x in (_dict.get('key_value_pairs'))
            ]
        if 'body_cells' in _dict:
            args['body_cells'] = [
                BodyCells._from_dict(x) for x in (_dict.get('body_cells'))
            ]
        return cls(**args)