code: def test_band():
      with rasterio.open("tests/data/RGB.byte.tif") as src:
          b = rasterio.band(src, 1)
          assert b.ds == src
          assert b.bidx == 1
          assert b.dtype in src.dtypes
          assert b.shape == src.shape
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_band() without return types