code: def test_uint8_default(path_rgb_byte_tif):
      """Get uint8 array from uint8 dataset"""
      with rasterio.open(path_rgb_byte_tif) as dataset:
          assert dataset.read().dtype == numpy.dtype("uint8")
  
imports: import numpy
  import rasterio
label_desc: Use image node_id 1 for calling a global function with example usage: test_uint8_default(path_rgb_byte_tif) without return types