'trouble installing jupyter lab with pip or conda - Could not find a version that satisfies the requirement ipykernel

trouble installing jupyter lab - Could not find a version that satisfies the requirement ipykernel

pip install jupyterlab
Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x00000277F1AB8C18>, 'Connection to pypi.python.org timed out. (connect timeout=15)')': /simple/ipykernel/
Could not find a version that satisfies the requirement ipykernel (from notebook>=4.3.1->jupyterlab) (from versions: )
No matching distribution found for ipykernel (from notebook>=4.3.1->jupyterlab)

After visiting this Github page

I checked the pip version: 

C:\Users\xxxx\AppData\Local\Continuum\anaconda3\Scripts>pip --version
pip 9.0.1 from C:\Users\xxxx\AppData\Local\Continuum\anaconda3\lib\site-packages (python 3.6)

and the ipykernel version: 

C:\Users\xxxx\AppData\Local\Continuum\anaconda3\Scripts>conda list ipykernel

I tried conda forge but still didn't work

conda install -c conda-forge jupyterlab
Solving environment: failed

CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://repo.continuum.io/pkgs/pro/noarch/repodata.json.bz2>
Elapsed: -

An HTTP error occurred when trying to retrieve this URL.
HTTP errors are often intermittent, and a simple retry will get you on your way.
ConnectTimeout(MaxRetryError("HTTPSConnectionPool(host='repo.continuum.io', port=443): Max retries exceeded with url: /pkgs/pro/noarch/repodata.json.bz2 (Caused by ConnectTimeoutError(<urllib3.connection.VerifiedHTTPSConnection object at 0x000001F03B89DE10>, 'Connection to repo.continuum.io timed out. (connect timeout=9.15)'))",),)
pythonpipcondajupyter-labphpcsssql


Solution 1:[1]

I had a similar problem. In my case (Ubuntu 16.04, python 3.5.2) the command 

pip install jupyterlab

resulted in a similar error. After reading this page

https://github.com/jupyterlab/jupyterlab

I tried this command and it worked

python3 -m pip install jupyterlab

I hope it can help!

Solution 2:[2]

Maybe you have many python environment, so, you maybe need to specify a explicit version for python and retry to install it by follow:

python3 -m pip install jupyterlab

It worked for me, too. I hope it can help you.

Solution 3:[3]

If python3 -m pip install jupyterlab is not working try py -m pip install jupyterlab that works for me

Solution 4:[4]

If you are on Windows OS: python -m pip install jupyterlab

On MAC OS or Linux: python3 -m pip install jupyterlab

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 valerio_sperati
Solution 2 Runstone
Solution 3
Solution 4 Anand - MCSA MCPD MCTS MCSD

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