Issue
I have just created a new env with python 3.5 using anaconda (called it python35). My root env points to python 2.7.11. I cant seem to launch ipython with this new env, here is what I did
1. in conda prompt, activate required env: activate python35
2. confirm the version: python --version
3. launch ipython: ipython notebook
4. open a notebook and do: import sys; print (sys.version)
Step #2, returns 3.5 but step #4 always gives me 2.7.11, its like ipython is picking up python version from root env. How do I fix this. Thanks for any help!
This question is related but I have already done what it suggests.
Solution
AFAIK, different environments in anaconda (and in venv as well) are activated by prepending env path to $PATH
environment variable. It means, that if some file (eg, ipython
) is not found in env path (the first entry of $PATH
), the system searches for it in consequent entries of $PATH
and finds it in root environment (that stays in $PATH
). To fix the behavior, you need to install its own copy of ipython
to anaconda env:
- In command prompt, activate the environment:
source activate python35
(or simplyactivate python35
, depending on the OS) - While in environment, issue the command
conda install ipython-notebook
Answered By - Andrey Sobolev
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