code: def skip_numba_unstable_if_missing():
      """Determine if numba-based tests should be skipped during unstable CI tests.
  
      If numba fails to import it could be because numba is not compatible with
      a newer version of numpy. This is very likely to happen in the
      unstable/experimental CI environment. This function returns ``True`` if
      numba-based tests should be skipped if ``numba`` could not
      be imported *and* we're in the unstable environment. We determine if we're
      in this CI environment by looking for the ``UNSTABLE="1"``
      environment variable.
  
      """
      try:
          import numba
      except ImportError:
          numba = None
  
      return numba is None and os.environ.get("UNSTABLE", "0") in (
          "1",
          "true",
      )
  
imports: import inspect
  import os
label_desc: Use image node_id 5 for calling a global function with example usage: skip_numba_unstable_if_missing() and returns: unknown