code: def _cnncfp_avg(data):
      """Global average pool"""
      return data.mean((1, 2))
  
file_path: madmom/madmom/features/chords.py
imports: from __future__ import absolute_import, division, print_function
  from functools import partial
  import numpy
  from ..io import SEGMENT_DTYPE
  from ..processors import SequentialProcessor
label_desc: Use image node_id 4 for calling a global function with example usage: _cnncfp_avg(data) and returns: data