code: def merge_linear_aux(aux1, aux2):
      try:
          out1 = aux1()
      except StoreException:
          # store 1 was not occupied, so store 2 better be
          try:
              out2 = aux2()
          except StoreException:
              raise StoreException("neither store occupied") from None
          else:
              return False, out2
      else:
          # store 1 was occupied, so let's check store 2 is not occupied
          try:
              out2 = aux2()
          except StoreException:
              return True, out1
          else:
              raise StoreException("both stores occupied")
  
imports: from __future__ import annotations
  from functools import partial
  import operator
  from typing import Any, Callable, NamedTuple
  import weakref
  from jax._src import config
  from jax._src import core
  from jax._src import traceback_util
  from jax._src.tree_util import tree_map
  from jax._src.util import curry
label_desc: Use image node_id 12 for calling a global function with example usage: merge_linear_aux(aux1, aux2) and returns: False,  out2, True,  out1