Fixing minor import error.

IPython/frontend/html/notebook/notebooks/tests/test_nbmanager.py

@@ -1,34 +1,34 b''
 """Tests for the notebook manager."""
 
 import os
 from unittest import TestCase
 from tempfile import NamedTemporaryFile
 
 from IPython.utils.tempdir import TemporaryDirectory
 from IPython.utils.traitlets import TraitError
 
-from IPython.frontend.html.notebook.filenbmanager import FileNotebookManager
+from ..filenbmanager import FileNotebookManager
 
 class TestNotebookManager(TestCase):
 
     def test_nb_dir(self):
         with TemporaryDirectory() as td:
             km = FileNotebookManager(notebook_dir=td)
             self.assertEqual(km.notebook_dir, td)
 
     def test_create_nb_dir(self):
         with TemporaryDirectory() as td:
             nbdir = os.path.join(td, 'notebooks')
             km = FileNotebookManager(notebook_dir=nbdir)
             self.assertEqual(km.notebook_dir, nbdir)
 
     def test_missing_nb_dir(self):
         with TemporaryDirectory() as td:
             nbdir = os.path.join(td, 'notebook', 'dir', 'is', 'missing')
             self.assertRaises(TraitError, FileNotebookManager, notebook_dir=nbdir)
 
     def test_invalid_nb_dir(self):
         with NamedTemporaryFile() as tf:
             self.assertRaises(TraitError, FileNotebookManager, notebook_dir=tf.name)