code: def is_complex(self):
      return "complex" in self._ivy_dtype
  
imports: import ivy
  import ivy.functional.frontends.tensorflow
  import ivy.functional.frontends.numpy
  from ivy.functional.frontends.tensorflow.func_wrapper import to_ivy_arrays_and_back, handle_tf_dtype
label_desc: Use image node_id 8 for calling the DType obj's underlying member method code with example usage: obj.is_complex() and returns: unknown