code: def process(self, frames, eod):
      self.frames.append(frames)
      return frames, eod
  
imports: import unittest
  from unit_timeside import TestRunner
  from timeside.core.preprocessors import downmix_to_mono, frames_adapter
  import numpy
  from numpy.testing import assert_array_equal
label_desc: Use image node_id 2 for calling the FakeAnalyzer obj's underlying member method code with example usage: obj.process(frames, eod) and returns: frames,  eod