code: def test_tripwire():
      # Test tripwire object
      silly_module_name = TripWire("We do not have silly_module_name")
      assert_raises(
          TripWireError, getattr, silly_module_name, "do_silly_thing"
      )
      assert_raises(TripWireError, silly_module_name)
      # Check AttributeError can be checked too
      try:
          silly_module_name.__wrapped__
      except TripWireError as err:
          assert_true(isinstance(err, AttributeError))
      else:
          raise RuntimeError("No error raised, but expected")
  
imports: from dipy.utils.tripwire import TripWire, is_tripwire, TripWireError
  from dipy.testing import assert_true, assert_false
  from numpy.testing import assert_raises
label_desc: Use image node_id 2 for calling a global function with example usage: test_tripwire() without return types