Traceback (most recent call last):


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


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\api_utils.py", line 52, in disallow_positional_args_dec

return fn(*args, **kwargs)


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\dataset_builder.py", line 287, in download_and_prepare

download_config=download_config)


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\dataset_builder.py", line 906, in _download_and_prepare

max_examples_per_split=download_config.max_examples_per_split,


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\dataset_builder.py", line 762, in _download_and_prepare

for split_generator in self._split_generators(dl_manager):


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\image\mnist.py", line 132, in _split_generators

{k: urllib.parse.urljoin(self.URL, v) for k, v in filenames.items()})


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\download\download_manager.py", line 359, in download_and_extract

return _map_promise(self._download_extract, url_or_urls)


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\download\download_manager.py", line 394, in _map_promise

all_promises = utils.map_nested(map_fn, all_inputs)
# Apply the function


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\utils\py_utils.py", line 129, in map_nested

for k, v in data_struct.items()


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\utils\py_utils.py", line 129, in <dictcomp>

for k, v in data_struct.items()


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\utils\py_utils.py", line 143, in map_nested

return function(data_struct)


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\download\util.py", line 97, in lock_decorated

return fn(*args, **kwargs)


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\download\download_manager.py", line 277, in _download_extract

return self._download(resource).then(callback)


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\download\util.py", line 97, in lock_decorated

return fn(*args, **kwargs)


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\download\download_manager.py", line 228, in _download

download_path = self._get_final_dl_path(url, expected_sha256)


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\download\download_manager.py", line 188, in _get_final_dl_path

resource_lib.get_dl_fname(url, sha256))


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\download\resource.py", line 187, in get_dl_fname

checksum = base64.urlsafe_b64encode(_decode_hex(checksum))


 "D:\data\TensorFlow\Dataset\tensorflow_datasets\core\download\resource.py", line 44, in _decode_hex

return _hex_codec(hexstr)[0]


 "C:\Users\edwinzeng\AppData\Local\Programs\Python\Python37\lib\encodings\hex_codec.py", line 19, in hex_decode

return (binascii.a2b_hex(input), len(input))
binascii.Error: Odd-length string

Traceback (most recent call last):

 "server.py", line 29, in <module>
s.loop()

 "/home/arewa/Workspace/async/pyenv/lib/python3.4/site-packages/snakemq/link.py", line 417, in loop
self.deal_connects()

 "/home/arewa/Workspace/async/pyenv/lib/python3.4/site-packages/snakemq/link.py", line 741, in deal_connects
self.connect(address)

 "/home/arewa/Workspace/async/pyenv/lib/python3.4/site-packages/snakemq/link.py", line 489, in connect
err = sock.connect()

 "/home/arewa/Workspace/async/pyenv/lib/python3.4/site-packages/snakemq/link.py", line 118, in connect
return self.sock.connect_ex(self.remote_peer)

 "/home/arewa/Workspace/async/pyenv/lib/python3.4/site-packages/gevent/_socket3.py", line 269, in connect_ex
return self.connect(address) or 0

 "/home/arewa/Workspace/async/pyenv/lib/python3.4/site-packages/gevent/_socket3.py", line 243, in connect
return _socket.socket.connect(self._sock, address)BlockingIOError: [Errno 115] Operation now in progress