code: def test_dtype_bits(
      *, input_dtype, test_flags, backend_fw, fn_name, on_device
  ):
      ret = helpers.test_function(
          input_dtypes=input_dtype,
          test_flags=test_flags,
          backend_to_test=backend_fw,
          fn_name=fn_name,
          on_device=on_device,
          dtype_in=input_dtype[0],
          test_values=False,
      )
      if not ivy.exists(ret):
          return
      num_bits, num_bits_np = ret
      assert num_bits == num_bits_np
  
imports: import numpy
  from hypothesis import strategies
  import typing
  import ivy
  import ivy_tests.test_ivy.helpers
  from ivy_tests.test_ivy.helpers import handle_test, BackendHandler
label_desc: Use image node_id 20 for calling a global function with example usage: test_dtype_bits() without return types