def validate_django_compatible_with_python ( ) : python_version = sys . version [ : 5 ] django_version = django . get_version ( ) if sys . version_info == ( 2 , 7 ) and django_version >= "2" : click . BadArgumentUsage ( "Please install Django v1.11 for Python {}, or switch to Python >= v3.4" . format ( python_version ) )
checking the current python versipn
Verify Django 1 . 11 is present if Python 2 . 7 is active
def validate_django_compatible_with_python():
    """
    Verify Django 1.11 is present if Python 2.7 is active

    Installation of pinax-cli requires the correct version of Django for
    the active Python version. If the developer subsequently changes
    the Python version the installed Django may no longer be compatible.
    """
    python_version = sys.version[:5]
    django_version = django.get_version()
    if sys.version_info == (2, 7) and django_version >= "2":
        click.BadArgumentUsage("Please install Django v1.11 for Python {}, or switch to Python >= v3.4".format(python_version))