code: def _is_valid_path(pathunibfp):
      return pathunibfp[0] and len(pathunibfp[0]) <= 50
  
imports: from absl import app
  from absl import flags
  import apache_beam
  from magenta.models.svg_vae import svg_utils
  import numpy
  from tensor2tensor.data_generators import generator_utils
  import tensorflow.compat.v1
label_desc: Use image node_id 2 for calling a global function with example usage: _is_valid_path(pathunibfp) and returns: unknown