code: def test_numba_info():
      ni = d.numba_info()
      if numba.config.DISABLE_JIT:
          assert ni is None
      else:
          assert ni is not None
          assert ni.threading == numba.threading_layer()
          assert ni.threads == numba.get_num_threads()
  
imports: import numba
  import lenskit.util.debug
  from lenskit.util.test import wantjit
label_desc: Use image node_id 1 for calling a global function with example usage: test_numba_info() without return types