code: def test_plt_transform():
      with rasterio.open("tests/data/RGB.byte.tif") as src:
          show(src.read(), transform=src.transform)
          show(src.read(1), transform=src.transform)
  
imports: import pytest
  import matplotlib
  import numpy
  import rasterio
  from rasterio.plot import show, show_hist, get_plt, plotting_extent, adjust_band
  from rasterio.enums import ColorInterp
label_desc: Use image node_id 18 for calling a global function with example usage: test_plt_transform() without return types