code: def test_kwargs_last(self):
      self._check_error(
          "int(base=10, '2')",
          "positional argument follows keyword argument",
      )
  
imports: import re
  import doctest
  import textwrap
  import unittest
  from test import support
label_desc: Use image node_id 16 for calling the SyntaxTestCase obj's underlying member method code with example usage: obj.test_kwargs_last() without return types