最近几天我一直在为此苦苦挣扎。我正在使用Anaconda和python 3.6版。我想在R中使用keras包。我无法加载R-studio教程中针对tensorflow概述的任何数据集（mnist，fashion_mnist等）。下面是我的配置和调用特定数据集时输出的错误的图片。我不知道如何解决这个问题。感谢您的帮助。
> tf_config()
TensorFlow v2.0.0 (C:\Users\rtlum\ANACON~1\envs\R-RETI~1\lib\site-
packages\tensorflow\__init__.p)
Python v3.6 (C:/Users/rtlum/anaconda3/envs/r-reticulate/python.exe)
> py_config()
python: C:/Users/rtlum/anaconda3/envs/r-reticulate/python.exe
libpython: C:/Users/rtlum/anaconda3/envs/r-reticulate/python36.dll
pythonhome: C:/Users/rtlum/anaconda3/envs/r-reticulate
version: 3.6.10 |Anaconda, Inc.| (default, Mar 23 2020, 17:58:33) [MSC
v.1916 64 bit (AMD64)]
Architecture: 64bit
numpy: C:/Users/rtlum/anaconda3/envs/r-reticulate/Lib/site-
packages/numpy
numpy_version: 1.18.2
tensorflow: C:\Users\rtlum\ANACON~1\envs\R-RETI~1\lib\site-
packages\tensorflow\__init__.p
python versions found:
C:/Users/rtlum/anaconda3/envs/r-reticulate/python.exe
C:/Users/rtlum/anaconda3/python.exe
错误：
> dataset_mnist()
Error in py_call_impl(callable, dots$args, dots$keywords) :
AttributeError: 'NoneType' object has no attribute 'write'
Detailed traceback:
File "C:\Users\rtlum\anaconda3\envs\r-reticulate\lib\site-
packages\tensorflow_core\python\keras\datasets\mnist.py", line 50, in
load_data
'731c5ac602752760c8e48fbffcf8c3b850d9dc2a2aedcf2cc48468fc17b673d1')
File "C:\Users\rtlum\anaconda3\envs\r-reticulate\lib\site-
packages\tensorflow_core\python\keras\utils\data_utils.py", line 251, in
get_file
urlretrieve(origin, fpath, dl_progress)
File "C:\Users\rtlum\anaconda3\envs\r-reticulate\lib\urllib\request.py",
line 284, in urlretrieve
reporthook(blocknum, bs, size)
File "C:\Users\rtlum\anaconda3\envs\r-reticulate\lib\site-
packages\tensorflow_core\python\keras\utils\data_utils.py", line 246, in
dl_progress
ProgressTracker.progbar.update(count * block_size)
File "C:\Program Files\R\R-
3.6.3\library\keras\python\kerastools\progbar.py", line 23, in
update_with_patch
update(self, current, values)
File "C:\Users\rtlum\anaconda3