code: def _filter(model):
      W = model.W.value
      if len(W) != len(W[0]):
          return False
      else:
          return True
  
file_path: CNTK/bindings/python/cntk/contrib/netopt/test/factorization_test.py
imports: import numpy
  import pytest
  import cntk
  import cntk.contrib.netopt.factorization
label_desc: Use image node_id 4 for calling a global function with example usage: _filter(model) and returns: False, True