def assert_snap_has_no_events(snapshot_url):
    pixels = read_image_as_raster(snapshot_url)
    for color in set(pixels):
        r, g, b, a = color  # red, green, blue, alpha
        nt.ok_(r != 255 or g != 230 and b != 230,
               msg="Snapshot should not have events: {0}".format(snapshot_url))
Handle requests to browse the filesystem under the build root.
dataset/ETHPy150Open DataDog/dogapi/tests/util/snapshot_test_utils.py/assert_snap_has_no_events--crossover with--dataset/ETHPy150Open pantsbuild/pants/src/python/pants/reporting/reporting_server.py/PantsHandler._handle_browse