You need a python 2.7 or 3.X distribution installed in your machine. Modern python distros come with pip pre-installed, if not, install pip following pip docs

Install conan:

~~~ sh
$ pip install conan
~~~

*BUG*: pyenv: cannot rehash: ~/.pyenv/shims/.pyenv-shim exists

*SOLUTION*

~~~ sh
$ rm ~/.pyenv/shims/.pyenv-shim
~~~

Install now ...