code: def test_handle_numpy_dtype(dtype, backend_fw):
      ivy.set_backend(backend_fw)
      ret_dtype = handle_numpy_dtype(_fn)(None, dtype=dtype)
      assert isinstance(ret_dtype, ivy.Dtype)
      ivy.previous_backend()
  
file_path: ivy/ivy_tests/test_ivy/test_frontends/test_numpy/test_func_wrapper.py
imports: from hypothesis import given, strategies
  import platform
  import ivy
  import ivy_tests.test_ivy.helpers
  from ivy.functional.frontends.numpy.func_wrapper import inputs_to_ivy_arrays, outputs_to_frontend_arrays, to_ivy_arrays_and_back, handle_numpy_dtype, from_zero_dim_arrays_to_scalar
  from ivy.functional.frontends.numpy.ndarray import ndarray
  import ivy.functional.frontends.numpy
label_desc: Use image node_id 5 for calling a global function with example usage: test_handle_numpy_dtype(dtype, backend_fw) without return types