code: def test_reindent_empty(self):
      self.assertEqual(timeit.reindent("", 0), "")
      self.assertEqual(timeit.reindent("", 4), "")
  
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 2 for calling the TestTimeit obj's underlying member method code with example usage: obj.test_reindent_empty() without return types