class_docstr: Tests for auxiliary functions to help with parsing
  Python function arguments
class_docstr_tok: ["Tests","for","auxiliary","functions","to","help","with","parsing","Python","function","arguments"]
docstr: Test that empty dict is returned if function has
  no default arguments
docstr_tok: ["Test","that","empty","dict","is","returned","if","function","has","no","default","arguments"]
code: def test_no_default_args(self):
      """Test that empty dict is returned if function has
      no default arguments"""
  
      def dummy_func(a, b):  # pylint: disable=unused-argument
          pass
  
      res = pu._get_default_args(dummy_func)
      assert not res
  
imports: import functools
  import itertools
  import pytest
  import numpy
  import pennylane
  import pennylane.utils
label_desc: Use image node_id 1 for calling the TestArgumentHelpers obj's underlying member method code with example usage: obj.test_no_default_args() without return types