metrics

[ghost]

getting this error when enabling metrics

tick 0 kimg 0.1 lod 0.00 minibatch 16 time 53s sec/tick 53.1 sec/kimg 830.11 maintenance 0.0 gpumem 9.8
g loss [[3.0140555]
[2.963008 ]]
{'metric_name': 'fid1k', 'mirror_augment': True, 'tfrecord_dir': '', 'shuffle_mb': 0, 'max_images': None, 'skip_images': None}
Traceback (most recent call last):
File "run_training.py", line 254, in
main()
File "run_training.py", line 249, in main
run(**vars(args))
File "run_training.py", line 169, in run
dnnlib.submit_run(**kwargs)
File "/content/few-shot-gan/dnnlib/submission/submit.py", line 343, in submit_run
return farm.submit(submit_config, host_run_dir)
File "/content/few-shot-gan/dnnlib/submission/internal/local.py", line 22, in submit
return run_wrapper(submit_config)
File "/content/few-shot-gan/dnnlib/submission/submit.py", line 280, in run_wrapper
run_func_obj(**submit_config.run_func_kwargs)
File "/content/few-shot-gan/training/training_loop.py", line 424, in training_loop
metrics.run(pkl, run_dir=dnnlib.make_run_dir_path(), data_dir=dnnlib.convert_path(eval_data_dir), num_gpus=num_gpus, tf_config=tf_config, rho=rho)
File "/content/few-shot-gan/metrics/metric_base.py", line 161, in run
metric.run(*args, **kwargs)
File "/content/few-shot-gan/metrics/metric_base.py", line 74, in run
self._evaluate(Gs, Gs_kwargs=Gs_kwargs, num_gpus=num_gpus, rho=rho)
File "/content/few-shot-gan/metrics/frechet_inception_distance.py", line 35, in _evaluate
cache_file = self._get_cache_file_for_reals(num_images=self.num_images)
File "/content/few-shot-gan/metrics/metric_base.py", line 124, in _get_cache_file_for_reals
dataset_name = os.path.splitext(os.path.basename(dataset_name))[0]
File "/usr/lib/python3.6/posixpath.py", line 146, in basename
p = os.fspath(p)
TypeError: expected str, bytes or os.PathLike object, not NoneType