code: def setBlockData(self, blockName, data):
      if data is None:
          del self.blockData[blockName]
      else:
          self.blockData[blockName] = data
  
imports: from OpenGL.GL import *
  from OpenGL.GL import shaders
  import numpy
  import re
label_desc: Use image node_id 2 for calling the ShaderProgram obj's underlying member method code with example usage: obj.setBlockData(blockName, data) without return types