b7b5cbc9d4b44b360dedbddb83db32ff3ca9f6f4,tests/utils_tests/image_tests/test_read_image.py,TestReadImageDifferentBackends,setUp,#TestReadImageDifferentBackends#,75

Before Change

        else:
            self.img = np.random.randint(
                0, 255, size=(1,) + self.size, dtype=np.uint8)
        write_image(self.img, self.path)

    @unittest.skipUnless(_cv2_available, "cv2 is not installed")
    def test_read_image_different_backends_as_color(self):
        chainer.config.cv_read_image_backend = "cv2"

After Change

            suffix="." + self.suffix, delete=False)
        self.path = self.file.name

        if self.alpha is None:
            if self.color:
                self.img = np.random.randint(
                    0, 255, size=(3,) + self.size, dtype=np.uint8)
            else:
                self.img = np.random.randint(
                    0, 255, size=(1,) + self.size, dtype=np.uint8)
            write_image(self.img, self.path)
        else:
            self.img = np.random.randint(
                0, 255, size=(4,) + self.size, dtype=np.uint8)
            _write_rgba_image(self.img, self.path)

    @unittest.skipUnless(_cv2_available, "cv2 is not installed")
    def test_read_image_different_backends_as_color(self):
        chainer.config.cv_read_image_backend = "cv2"
        cv2_img = read_image(self.path, dtype=self.dtype, color=self.color, alpha=self.alpha)

Instances