@classmethod
def from_bbox(cls, bbox, image=None, category=None):
    """
        Creates annotation from bounding box

        :param image: image assoicated with annotation
        :type image: :class:`Image` 
        :param category: category to label annotation
        :type category: :class:`Category` 
        :param polygons: bbox to create annotation from
        :type polygons: :class:`BBox`, list, tuple
        """
    return cls(image=image, category=category, bbox=bbox)
