Traceback (most recent call last):


 "/Users/john/.venv/ludwig/bin/ludwig", line 11, in <module>

load_entry_point('ludwig==0.2.2.4', 'console_scripts', 'ludwig')()


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/cli.py", line 118, in main

CLI()


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/cli.py", line 64, in __init__

getattr(self, args.command)()


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/cli.py", line 74, in train

train.cli(sys.argv[2:])


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/train.py", line 806, in cli

full_train(**vars(args))


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/train.py", line 301, in full_train

random_seed=random_seed


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/data/preprocessing.py", line 339, in preprocess_for_training

random_seed=random_seed


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/data/preprocessing.py", line 528, in preprocess_for_training_by_type

random_seed=random_seed


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/data/preprocessing.py", line 655, in _preprocess_csv_for_training

random_seed=random_seed


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/data/preprocessing.py", line 96, in build_dataset_df

global_preprocessing_parameters


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/data/preprocessing.py", line 171, in build_data

preprocessing_parameters


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/features/image_feature.py", line 269, in add_feature_data

preprocessing_parameters, first_image_path


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/ludwig/features/image_feature.py", line 179, in _finalize_preprocessing_parameters

first_image = imread(first_image_path)


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/skimage/io/_io.py", line 62, in imread

img = call_plugin('imread', fname, plugin=plugin, **plugin_args)


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/skimage/io/manage_plugins.py", line 214, in call_plugin

return func(*args, **kwargs)


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/skimage/io/_plugins/pil_plugin.py", line 37, in imread

return pil_to_ndarray(im, dtype=dtype, img_num=img_num)


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/skimage/io/_plugins/pil_plugin.py", line 67, in pil_to_ndarray

image.seek(i)


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/PIL/PngImagePlugin.py", line 748, in seek

self._seek(f)


 "/Users/john/.venv/ludwig/lib/python3.7/site-packages/PIL/PngImagePlugin.py", line 791, in _seek

cid, pos, length = self.png.read()
AttributeError: 'NoneType' object has no attribute 'read'

Traceback (most recent call last):


 "C:\Users\adnan\AppData\Local\Programs\Python\Python38-32\lib\site-packages\tornado\ioloop.py", line 907, in _run

return self.callback()


 "C:\Users\adnan\AppData\Local\Programs\Python\Python38-32\lib\site-packages\distributed\nanny.py", line 414, in memory_monitor

process = self.process.process
AttributeError: 'NoneType' object has no attribute 'process'
