Python 3.6 installed but 3.5 is required

[szwed]

Please answer the following questions before submitting your issue. Thanks!

What version of DC/OS + DC/OS CLI are you using (dcos --version)?

master branch:
git clone https://github.com/dcos/dcos-cli

What operating system and version are you using?

macOS Sierra:

sw_vers -productVersion
10.12.2

What did you do?

git clone https://github.com/dcos/dcos-cli
cd dcos-cli
make env
bin/env.sh
Cannot find supported python version 3.5. Exiting...
make: *** [env] Error 1

What did you expect to see?

Compiled dcos-cli binaries.

What did you see instead?

Error message.

[tamarrow-zz]

You are downloading from source. We target python 3.5, so want to make sure developers use the same version.

Binaries for all versions are listed here: https://github.com/dcos/dcos-cli/releases