old_contents: """
  @brief      test log(time=2s)
  @author     Xavier Dupre
  """
  
  import sys
  import os
  import unittest
  
  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.filehelper import TransferFTP
  from src.pyquickhelper.pycode import is_travis_or_appveyor
  
  
  class TestTransferFTPTrue(unittest.TestCase):
  
      def test_transfer_ftp_true(self):
          fLOG(
              __file__,
              self._testMethodName,
              OutputPrint=__name__ == "__main__")
  
          import keyring
          machine = os.environ.get(
              "COMPUTERNAME", os.environ.get("HOSTNAME", "CI"))
          try:
              user = keyring.get_password("web", machine + "user")
              pwd = keyring.get_password("web", machine + "pwd")
          except RuntimeError:
              user = None
              pwd = None
          if user is None:
              if not is_travis_or_appveyor():
                  raise Exception("user password is empty, machine='{0}', username='{1}'".format(machine, os.get("USERNAME", None)))
              else:
                  return
  
          web = TransferFTP("ftp.xavierdupre.fr", user, pwd, fLOG=fLOG)
          r = web.ls(".")
          fLOG(r)
          assert isinstance(r, list)
  
  
  if __name__ == "__main__":
      unittest.main()
  
new_contents: """
  @brief      test log(time=2s)
  @author     Xavier Dupre
  """
  
  import sys
  import os
  import unittest
  
  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.filehelper import TransferFTP
  from src.pyquickhelper.pycode import is_travis_or_appveyor
  
  
  class TestTransferFTPTrue(unittest.TestCase):
  
      def test_transfer_ftp_true(self):
          fLOG(
              __file__,
              self._testMethodName,
              OutputPrint=__name__ == "__main__")
  
          import keyring
          machine = os.environ.get(
              "COMPUTERNAME", os.environ.get("HOSTNAME", "CI"))
          try:
              user = keyring.get_password("web", machine + "user")
              pwd = keyring.get_password("web", machine + "pwd")
          except RuntimeError:
              user = None
              pwd = None
          if user is None:
              if not is_travis_or_appveyor():
                  raise Exception("user password is empty, machine='{0}', username='{1}'".format(machine, os.environ.get("USERNAME", None)))
              else:
                  return
  
          web = TransferFTP("ftp.xavierdupre.fr", user, pwd, fLOG=fLOG)
          r = web.ls(".")
          fLOG(r)
          assert isinstance(r, list)
  
  
  if __name__ == "__main__":
      unittest.main()
  
subject: fix error message