you may need to restart the kernel to use updated packages

When the PIP Install command cannot be installed in the Jupyter, the third -party library can be installed and the following problems appear and the following problems appear:

You can try the following methods (I found some posts on the Internet, and found that I couldn't solve the problem fundamentally for me.

1. completely close Jupyter

Jupyter's webpage, background, background,All offIf you use Anaconda, then the background of AnaConda will be exited.
After exitreenterjupyter webpage
usepip install Library name installation.

2. CMD command

win+r Enter CMD into the terminal
The command line is switched to the directory of the Jupyter itself of the Jupyter itself
(Switch disk D:, enter the sub -directory: CD file folder name)
Install with PIP Install Library Name

Third, use pycharm

This is the result of the use of other methods to try other methods, which is particularly troublesome, but I did not expect to be installed.

Enter pycharm
File --> settings
Project project name -> Python Interpreter
show all
Switch to Python of Jupyter
"+" -> Search Library Name-> Install

Fourth, change the network

If the bottom of the error appears
Inner Latey Code。

//pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

You can try to change the Internet, maybe downloading too slowly

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