code: def test_get_python_exe(self):
      b1 = fspawn.get_python_exe("docker")
      assert b1 == "/usr/local/bin/python"
  
file_path: fiber/tests/test_popen.py
imports: import multiprocessing
  import io
  import re
  import time
  import logging
  import socket
  import fiber
  import fiber.popen_fiber_spawn
  import docker
  import pytest
label_desc: Use image node_id 2 for calling the TestPopen obj's underlying member method code with example usage: obj.test_get_python_exe() without return types