IPython in a conda environment calls the wrong python

When I launch ipython from within a conda environment, ipython runs the python from the base conda environment instead of the python from the current environment.

This is a recent conda installation on macOS.

(phforge-test) Antonios-MacBook-Pro:~ anto$ which python
/Users/anto/miniconda3/envs/phforge-test/bin/python
(phforge-test) Antonios-MacBook-Pro:~ anto$ which ipython
/Users/anto/miniconda3/envs/phforge-test/bin/ipython
(phforge-test) Antonios-MacBook-Pro:~ anto$ python
Python 3.6.4 |Anaconda, Inc.| (default, Jan 16 2018, 12:04:33) 
[GCC 4.2.1 Compatible Clang 4.0.1 (tags/RELEASE_401/final)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> quit()
(phforge-test) Antonios-MacBook-Pro:~ anto$ ipython
Python 3.5.2 |Continuum Analytics, Inc.| (default, Jul  2 2016, 17:52:12) 
Type 'copyright', 'credits' or 'license' for more information
IPython 6.2.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: quit()
(phforge-test) Antonios-MacBook-Pro:~ anto$ 

[takluyver]

Have you done hash -r since entering the conda environment? Bash can cache paths to executables, so sometimes it doesn’t use the one reported by which. Running hash -r resets the cache.

[realdoug]

I ran into this and the simple fix was: conda install -c anaconda ipython

Calling ipython at the command line is going to first look in the bin folder for your conda environment but if ipython isn’t found it will fall back to /usr/local/bin or whatever is in your path.