I have the following conda environment under Linux:
$ conda info -e
# conda environments:
#
py33 /u21/coyotito/.anaconda/envs/py33
root
Landed here with this same issue, but by moving out of the anaconda executable directory, the correct python was called. I was in a directory that contained the python executable that was installed with Anaconda2.
Example:
(py35) C:\Anaconda>python --version
Python 2.7.11 :: Anaconda 4.0.0 (64-bit)
(py35) C:\Anaconda>cd ..
(py35) C:\>python --version
Python 3.5.2 :: Anaconda 4.2.0 (64-bit)
(py35) C:\>