code: def _preprocess_input(a):
      # Convert to something NumPy can handle and return
      return _as_numpy(a)
  
file_path: chainer/chainerx/testing/array.py
imports: import numpy.testing
  import chainerx
label_desc: Use image node_id 3 for calling a global function with example usage: _preprocess_input(a) and returns: _as_numpy