Update test_completer.py

IPython/core/tests/test_completer.py

@@ -16,7 +16,7 b' import nose.tools as nt'
 from traitlets.config.loader import Config
 from IPython import get_ipython
 from IPython.core import completer
-from IPython.external.decorators.dec import knownfailureif
+from IPython.external import decorators
 from IPython.utils.tempdir import TemporaryDirectory, TemporaryWorkingDirectory
 from IPython.utils.generics import complete_object
 from IPython.testing import decorators as dec
@@ -183,7 +183,7 b' def test_forward_unicode_completion():'
     nt.assert_equal(matches[0], 'Ⅴ')
 
 @nt.nottest # now we have a completion for \jmath
[e-mail](sys.platform == 'win32', 'Fails if there is a C:\\j... path')
[e-mail](sys.platform == 'win32', 'Fails if there is a C:\\j... path')
 def test_no_ascii_back_completion():
     ip = get_ipython()
     with TemporaryWorkingDirectory():  # Avoid any filename completions
@@ -234,7 +234,7 b' def test_has_open_quotes4():'
         nt.assert_false(completer.has_open_quotes(s))
 
 
-@knownfailureif(sys.platform == 'win32', "abspath completions fail on Windows")
[e-mail](sys.platform == 'win32', "abspath completions fail on Windows")
 def test_abspath_file_completions():
     ip = get_ipython()
     with TemporaryDirectory() as tmpdir: