which python do I chose ?

[gMan1990]

I hava python2.7 and python3.7 installed in my macos.

python3.7 -m pip install CodeIntel ?
or
python2.7 -m pip install CodeIntel ?

[jackal1988]

I think you should modify SublimeCodeIntel user config file like this:

{
    "codeintel_language_settings": {
        "Python3": {
             "python3": "C:/python3.6",
        },
    }
}