code: def test_sharpness_dtype_shape(dtype, shape):
      image = np.ones(shape=shape, dtype=dtype)
      sharp = color_ops.sharpness(tf.constant(image), 0).numpy()
      np.testing.assert_equal(sharp, image)
      assert sharp.dtype == image.dtype
  
file_path: addons/tensorflow_addons/image/tests/color_ops_test.py
imports: import pytest
  import tensorflow
  import numpy
  from tensorflow_addons.image import color_ops
  from PIL import Image, ImageOps, ImageEnhance
  from skimage.exposure import equalize_hist
label_desc: Use image node_id 4 for calling a global function with example usage: test_sharpness_dtype_shape(dtype, shape) without return types