电脑上已经安装了tensorboard，能够在Scripts里面找到tensorboard.exe，但是启动的时候报错：
Traceback (most recent call last):
File "c:programdataanaconda3librunpy.py", line 193, in _run_module_as_main

"__main__", mod_spec)

File "c:programdataanaconda3librunpy.py", line 85, in _run_code

exec(code, run_globals)

File "C:ProgramDataAnaconda3Scriptstensorboard.exe__main__.py", line 5, in <module>
File "c:programdataanaconda3libsite-packagestensorboardmain.py", line 36, in <module>

from tensorboard.plugins.audio import audio_plugin

File "c:programdataanaconda3libsite-packagestensorboardpluginsaudioaudio_plugin.py", line 27, in <module>

from tensorboard import plugin_util

File "c:programdataanaconda3libsite-packagestensorboardplugin_util.py", line 21, in <module>

import bleach

File "c:programdataanaconda3libsite-packagesbleach__init__.py", line 14, in <module>

from html5lib.sanitizer import HTMLSanitizer

File "c:programdataanaconda3libsite-packageshtml5libsanitizer.py", line 7, in <module>

from .tokenizer import HTMLTokenizer

File "c:programdataanaconda3libsite-packageshtml5libtokenizer.py", line 17, in <module>

from .inputstream import HTMLInputStream

File "c:programdataanaconda3libsite-packageshtml5libinputstream.py", line 9, in <module>

from .constants import encodings, ReparseException

ImportError: cannot import name 'encodings'

下面是代码，是照着数上敲的：
import tensorflow as tf
a = tf.constant(5,name = 'input_a')
b = tf.constant(3,name = 'input_b')
c = tf.multiply(a,b,name='mul_c')
d = tf.add(a,b,name='add_d')
e = tf.add(c,d,name = 'add_e')
with tf.Session() as sess:

output = sess.run(e)
print(output)
writer = tf.summary.FileWriter('path/to/log',tf.get_default_graph())
writer.close()

cmd里的：

tensorboard -logdir=path/to/log