install.py
def assert_go_version():
    """
    Make sure the go version is new enough.
    """
    goversion = subprocess.check_output(["go", "version"])
    if "go1.8" not in goversion and "go1.9" not in goversion:
        raise Exception("Your go version is too old.  Must use go 1.8 or later" + 
            " due to https://groups.google.com/d/msg/golang-nuts/9SaVxumSc-Y/rNAI8R7_BAAJ")

    Make sure the go version is new enough.
    
Make sure the go version is new enough.
Make sure the go version is new enough .
def assert_go_version():
    goversion = subprocess.check_output(["go", "version"])
    if "go1.8" not in goversion and "go1.9" not in goversion:
        raise Exception("Your go version is too old.  Must use go 1.8 or later" + 
            " due to https://groups.google.com/d/msg/golang-nuts/9SaVxumSc-Y/rNAI8R7_BAAJ")
def assert_go_version ( ) : goversion = subprocess . check_output ( [ "go" , "version" ] ) if "go1.8" not in goversion and "go1.9" not in goversion : raise Exception ( "Your go version is too old.  Must use go 1.8 or later" + " due to https://groups.google.com/d/msg/golang-nuts/9SaVxumSc-Y/rNAI8R7_BAAJ" )
Make sure the go version is new enough.
Make sure the go version is new enough .
"""
    Make sure the go version is new enough.
    """