old_contents: """
  @brief      test log(time=4s)
  """
  
  import sys
  import os
  import unittest
  
  if "temp_" in os.path.abspath(__file__):
      raise ImportError(
          "this file should not be imported in that location: " +
          os.path.abspath(__file__))
  
  try:
      import src
  except ImportError:
      path = os.path.normpath(
          os.path.abspath(
              os.path.join(
                  os.path.split(__file__)[0],
                  "..",
                  "..")))
      if path not in sys.path:
          sys.path.append(path)
      import src
  
  from src.pyquickhelper.loghelper import fLOG
  from src.pyquickhelper.pycode import get_temp_folder, ExtTestCase
  from src.pyquickhelper.filehelper import unzip_files
  from src.pyquickhelper.pycode import is_travis_or_appveyor
  
  
  class TestCompressHelperBug2(ExtTestCase):
  
      def test_unzip_bug(self):
          fLOG(
              __file__,
              self._testMethodName,
              OutputPrint=__name__ == "__main__")
  
          fold = get_temp_folder(__file__, "temp_unzip_bug")
          data = os.path.join(fold, "..", "data", "dada.zip")
          self.assertExists(data)
          files = unzip_files(data, where_to=fold,
                              fLOG=fLOG, fail_if_error=False)
          self.assertEqual(len(files), 5)
  
  
  if __name__ == "__main__":
      unittest.main()
  
new_contents: """
  @brief      test log(time=4s)
  """
  
  import sys
  import os
  import unittest
  
  if "temp_" in os.path.abspath(__file__):
      raise ImportError(
          "this file should not be imported in that location: " +
          os.path.abspath(__file__))
  
  try:
      import src
  except ImportError:
      path = os.path.normpath(
          os.path.abspath(
              os.path.join(
                  os.path.split(__file__)[0],
                  "..",
                  "..")))
      if path not in sys.path:
          sys.path.append(path)
      import src
  
  from src.pyquickhelper.loghelper import fLOG
  from src.pyquickhelper.pycode import get_temp_folder, ExtTestCase
  from src.pyquickhelper.filehelper import unzip_files
  
  
  class TestCompressHelperBug2(ExtTestCase):
  
      def test_unzip_bug(self):
          fLOG(
              __file__,
              self._testMethodName,
              OutputPrint=__name__ == "__main__")
  
          fold = get_temp_folder(__file__, "temp_unzip_bug")
          data = os.path.join(fold, "..", "data", "dada.zip")
          self.assertExists(data)
          files = unzip_files(data, where_to=fold,
                              fLOG=fLOG, fail_if_error=False)
          self.assertEqual(len(files), 5)
  
  
  if __name__ == "__main__":
      unittest.main()
  
subject: remove unnecessary import