code: def test_print_exc(self):
      s = io.StringIO()
      t = timeit.Timer("1/0")
      try:
          t.timeit()
      except:
          t.print_exc(s)
      self.assert_exc_string(s.getvalue(), "ZeroDivisionError")
  
imports: import timeit
  import unittest
  import sys
  import io
  from textwrap import dedent
  from test.support import captured_stdout
  from test.support import captured_stderr
label_desc: Use image node_id 29 for calling the TestTimeit obj's underlying member method code with example usage: obj.test_print_exc() without return types