def _require_backend(self):
    "Skip the test if the art resizer doesn't have ImageMagick or\n        PIL (so comparisons and measurements are unavailable).\n        "
    if (ArtResizer.shared.method[0] == WEBPROXY):
        self.skipTest('ArtResizer has no local imaging backend available')
Skip the test if the art resizer doesn't have ImageMagick or
PIL (so comparisons and measurements are unavailable).
def _require_backend(self):
    "Skip the test if the art resizer doesn't have ImageMagick or\n        PIL (so comparisons and measurements are unavailable).\n        "
    if (ArtResizer.shared.method[0] == WEBPROXY):
        self.skipTest('ArtResizer has no local imaging backend available')