code: def test_res():
      with rasterio.open("tests/data/RGB.byte.tif") as src:
          assert tuple(round(v, 6) for v in src.res) == (
              300.037927,
              300.041783,
          )
  
file_path: rasterio/tests/test_coords.py
imports: import numpy
  import rasterio
  from rasterio.coords import BoundingBox, disjoint_bounds
label_desc: Use image node_id 3 for calling a global function with example usage: test_res() without return types