code: def moveBy(self, offset):
      self.points = [p + offset for p in self.points]
  
imports: import math
  import sys
  from PyQt5.QtCore import QPointF
  from PyQt5.QtGui import QColor, QPen, QPainterPath, QFont
  from libs.utils import distance
label_desc: Use image node_id 17 for calling the Shape obj's underlying member method code with example usage: obj.moveBy(offset) without return types