How to use the svgis.svg.group function in svgis

def testGroup(self):
        g = svg.group()
        self.assertIsInstance(g, six.string_types)

        g = svg.group(transform="translate(10,10)")
        self.assertIn('transform="translate(10,10)"', g)

        g = svg.group(transform="scale(10)")
        assert 'transform="scale(10)"' in g

def testGroup(self):
        g = svg.group()
        self.assertIsInstance(g, six.string_types)

        g = svg.group(transform="translate(10,10)")
        self.assertIn('transform="translate(10,10)"', g)

        g = svg.group(transform="scale(10)")
        assert 'transform="scale(10)"' in g

def group(geometries, **kwargs):
    '''
    Add a list of geometries to a group.

    Args:
        geometries (Sequence): GeoJSON-like geometry dicts.

    Returns:
        str (unicode in Python 2) representation of the SVG group
    '''
    return svg.group([geometries(g, fill_rule="evenodd", **kwargs) for g in geometries])