raise ImportError(
        '\n\n'
        'Your WhiteNoise configuration is incompatible with WhiteNoise v4.0\n'
        'This can be fixed by following the upgrade instructions at:\n'
        'http://whitenoise.evans.io/en/stable/changelog.html#v4-0\n')

Raise with upgrade instructions on old import path
Raise with upgrade instructions on old import path
