我正在尝试此命令（我不知道它的作用！我只听了教程）：
tensorboard --logdir=/tmp/tensorflow/rnn_words
并获得以下结果：
Traceback (most recent call last):
File "c:\programdata\anaconda3\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "c:\programdata\anaconda3\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:\ProgramData\Anaconda3\Scripts\tensorboard.exe\__main__.py", line 5, in <module>
File "c:\programdata\anaconda3\lib\site-packages\tensorboard\main.py", line 45, in <module>
from tensorboard import default
File "c:\programdata\anaconda3\lib\site-packages\tensorboard\default.py", line 34, in <module>
import tensorflow as tf
File "c:\programdata\anaconda3\lib\site-packages\tensorflow\__init__.py", line 24, in <module>
from tensorflow.python import pywrap_tensorflow # pylint: disable=unused-import
File "c:\programdata\anaconda3\lib\site-packages\tensorflow\python\__init__.py", line 52, in <module>
from tensorflow.core.framework.graph_pb2 import *
File "c:\programdata\anaconda3\lib\site-packages\tensorflow\core\framework\graph_pb2.py", line 6, in <module>
from google.protobuf import descriptor as _descriptor
File "c:\programdata\anaconda3\lib\site-packages\google\protobuf\descriptor.py", line 47, in <module>
from google.protobuf.pyext import _message
ImportError: cannot import name '_message' from 'google.protobuf.pyext' (c:\programdata\anaconda3\lib\site-packages\google\protobuf\pyext\__init__.py)
以上命令是做什么的？为什么会收到此错误消息？
C:\Windows\system32>python --version
Python 3.7.1
C:\Windows\system32>pip install protobuf
Requirement already satisfied: protobuf in c:\programdata\anaconda3\lib\site-packages (3.6.1)
Requirement already satisfied: six>=1.9 in c:\programdata\anaconda3\lib\site-packages (from protobuf) (1.12.0)
Requirement already satisfied: setuptools in c:\programdata\anaconda3\lib\site-packages (from protobuf) (40.6.3)