Firstly I install the tensorboardX using pip install tensorboardX.
Then I build a python file named test.py and the content of this file is same to demo.py in readme.
Then I run it.
Finally I start TensorBoard with tensorboard --logdir runs.
However, I got

What's wrong with it?
Could some good men tell me why?
I use this lib first time.
my torch version is 1.7. Is this the key problem?

Hi @Hhhhhhhzf , can you see the files that have been written to runs directory? Usually this message appears in case of no files or in case of wrongly specified path, thus make sure you run this command in the directory containing runs.
@merryHunter I see...I find the runs directory and I succeed.Thank you for your solution.
Most helpful comment
Hi @Hhhhhhhzf , can you see the files that have been written to
runsdirectory? Usually this message appears in case of no files or in case of wrongly specified path, thus make sure you run this command in the directory containingruns.