code: def _draw_samples(self, size, random_state):
      arr = np.full(size, self.v1, dtype=np.float32)
      arr[1::2] = self.v2
      return arr
  
imports: from __future__ import print_function, division, absolute_import
  import sys
  import numpy
  import cv2
  import imgaug
  from imgaug import augmenters
  from imgaug import parameters
  from imgaug.testutils import reseed, runtest_pickleable_uint8_img, is_parameter_instance
label_desc: Use image node_id 2 for calling the _TwoValueParam obj's underlying member method code with example usage: obj._draw_samples(size, random_state) and returns: arr