code: def test_env_proj_data(runner):
      """PROJ data directory printed without error."""
      result = runner.invoke(
          main_group,
          ["env", "--proj-data"],
      )
  
imports: from rasterio.rio.main import main_group
label_desc: Use image node_id 2 for calling a global function with example usage: test_env_proj_data(runner) without return types