Roughly as follows:
About a month ago jupyter notebook or good, just started going to run the program code, or show is running, as follows:
But it has a display server is started, please wait, as shown below:
In another moment it stopped directly, as shown below:
I later tested Python environment, using Pycharm tests, which lead directly to the anaconda environment so that the environment is no problem.
And then after I started jupyter notebook with the command line only to find the problem and see the error message, as shown below:
Finally found the culprit, and the reason is: ImportError: CAN not Import name 'create_prompt_application'
The investigation is prompt-toolkit version does not, so you have to re-install a version,
pip install prompt-toolkit==1.0.15 -i http://pypi.douban.com/simple --trusted-host pypi.douban.com
Installation follows:
Then test whether the run, as shown below:
Finally showed the service is ready, the following statement is the color of the program, as shown below:
At this point, problem solving, successful operation, as follows:
Thoughts: Before use is no problem, may be used Pycharm introduced Anaconda environment, leading to renewed prompt-toolkit, changed the version is not compatible with the current jupyter.
- Reference Bowen: https: //www.cnblogs.com/nuochengze/p/12631722.html