code: def _parse_operative_config(model_dir):
      with gin.unlock_config():
          gin.parse_config_file(
              os.path.join(model_dir, "operative_config.gin"),
              skip_unknown=mesh_transformer.DEPRECATED_GIN_REFERENCES,
          )
  
imports: import functools
  import os
  import gin
  import gin.tf
  import mesh_tensorflow
  from mesh_tensorflow import optimize
  from mesh_tensorflow.transformer import dataset
  from mesh_tensorflow.transformer import learning_rate_schedules
  from mesh_tensorflow.transformer import utils
  from t5.models import mesh_transformer
  from t5.models import utils
  from t5.models.t5_model import T5Model
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling a global function with example usage: _parse_operative_config(model_dir) without return types