Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/Users/pblair/t2t-stuff/venv-t2t-py3/lib/python3.4/site-packages/tensor2tensor/utils/trainer_utils.py", line 1035, in input_fn

problem_count, batches = len(data_file_patterns), []
TypeError: object of type 'NoneType' has no len()

Traceback (most recent call last):


 "compare_gan/main.py", line 133, in <module>

app.run(main)


 "/usr/local/lib/python3.6/dist-packages/absl/app.py", line 300, in run

_run_main(main, args)


 "/usr/local/lib/python3.6/dist-packages/absl/app.py", line 251, in _run_main

sys.exit(main(argv))


 "compare_gan/main.py", line 127, in main

eval_every_steps=FLAGS.eval_every_steps)


 "/content/gdrive/My Drive/compare_gan/compare_gan/runner_lib.py", line 354, in run_with_schedule

num_averaging_runs=num_eval_averaging_runs)


 "/content/gdrive/My Drive/compare_gan/compare_gan/runner_lib.py", line 277, in _run_eval

task_manager.add_eval_result(checkpoint_path, result_dict, default_value)


 "/content/gdrive/My Drive/compare_gan/compare_gan/runner_lib.py", line 209, in add_eval_result

config = self._get_config_for_step(step)


 "/content/gdrive/My Drive/compare_gan/compare_gan/runner_lib.py", line 202, in _get_config_for_step

last_config_step = sorted([s for s in config_steps if s <= step])[-1]


 "/content/gdrive/My Drive/compare_gan/compare_gan/runner_lib.py", line 202, in <listcomp>

last_config_step = sorted([s for s in config_steps if s <= step])[-1]
TypeError: '<=' not supported between instances of 'int' and 'str'`