code: def setup_env_mpicc():
      mpicc = shutil.which("mpicc")
      mpicc = os.environ.get("MPICC", mpicc)
      mpicc = os.environ.get("MPI4PY_BUILD_MPICC", mpicc)
      if not mpicc:
          return
      if " " in mpicc:
          mpicc = f'"{mpicc}"'
      if "CC" not in os.environ:
          os.environ["CC"] = mpicc
  
file_path: mpi4py/conf/builder.py
imports: import contextlib
  import importlib
  import os
  import shutil
  import sys
label_desc: Use image node_id 15 for calling a global function with example usage: setup_env_mpicc() without return types