code: def enough_data(self, element):
      print("----------- enough data ---------------")
  
imports: from __future__ import division
  import gi
  from gi.repository import GLib, Gst
  import numpy
  import scipy.signal.waveforms
  import os.path
  import ffmpeg
label_desc: Use image node_id 4 for calling the NumpySrc obj's underlying member method code with example usage: obj.enough_data(element) without return types