code: def out_path(tmpdir):
      """A path for an output .tif file."""
      return os.path.join(str(tmpdir), "out.tif")
  
file_path: earthpy/earthpy/tests/test_stack.py
imports: import os
  import numpy
  import pytest
  import earthpy.spatial
label_desc: Use image node_id 1 for calling a global function with example usage: out_path(tmpdir) and returns: os