ImportError: cannot import name _get_nbext_dir

[ NotebookApp] server_extensions is deprecated, use nbserver_exten
sions
c:\python\python27_32b\lib\site-packages\widgetsnbextension\__init__.py:30: User
Warning: To use the jupyter-js-widgets nbextension, you'll need to update
    the Jupyter notebook to version 4.2 or later.
  the Jupyter notebook to version 4.2 or later.""")
[W 16:54:29.007 NotebookApp] Error loading server extension nbextensions
    Traceback (most recent call last):
      File "c:\python\python27_32b\lib\site-packages\notebook\notebookapp.py", l
ine 1042, in init_server_extensions
        mod = importlib.import_module(modulename)
      File "c:\python\python27_32b\lib\importlib\__init__.py", line 37, in impor
t_module
        __import__(name)
      File "C:\Users\denis.akhiyarov\AppData\Roaming\jupyter\extensions\nbextens
ions.py", line 8, in <module>
        from notebook.nbextensions import _get_nbext_dir as get_nbext_dir
    ImportError: cannot import name _get_nbext_dir

>pip install -U notebook
Requirement already up-to-date: notebook in c:\python\python27_32b\lib\site-pack
ages
Requirement already up-to-date: traitlets in c:\python\python27_32b\lib\site-pac
kages (from notebook)
Requirement already up-to-date: tornado>=4 in c:\python\python27_32b\lib\site-pa
ckages (from notebook)
Requirement already up-to-date: jupyter-client in c:\python\python27_32b\lib\sit
e-packages (from notebook)
Requirement already up-to-date: nbformat in c:\python\python27_32b\lib\site-pack
ages (from notebook)
Requirement already up-to-date: jupyter-core in c:\python\python27_32b\lib\site-
packages (from notebook)
Requirement already up-to-date: nbconvert in c:\python\python27_32b\lib\site-pac
kages (from notebook)
Requirement already up-to-date: ipykernel in c:\python\python27_32b\lib\site-pac
kages (from notebook)
Requirement already up-to-date: ipython-genutils in c:\python\python27_32b\lib\s
ite-packages (from notebook)
Requirement already up-to-date: jinja2 in c:\python\python27_32b\lib\site-packag
es (from notebook)
Requirement already up-to-date: pygments in c:\python\python27_32b\lib\site-pack
ages (from nbconvert->notebook)
Requirement already up-to-date: mistune!=0.6 in c:\python\python27_32b\lib\site-
packages (from nbconvert->notebook)
Requirement already up-to-date: entrypoints in c:\python\python27_32b\lib\site-p
ackages (from nbconvert->notebook)
Requirement already up-to-date: MarkupSafe in c:\python\python27_32b\lib\site-pa
ckages (from jinja2->notebook)
Requirement already up-to-date: configparser in c:\python\python27_32b\lib\site-
packages (from entrypoints->nbconvert->notebook)

[denfromufa]

@gnestor just checked, not having any issues!

alabaster (0.7.7) anaconda-build (1.15.0) anaconda-client (1.4.0) anaconda-navigator (1.1.0) argcomplete (1.0.0) astropy (1.2.1) autopxd (1.1.1) Babel (2.2.0) backports-abc (0.4) backports.shutil-get-terminal-size (1.0.0) backports.ssl-match-hostname (3.4.0.2) beautifulsoup4 (4.4.1) bitarray (0.8.1) blaze (0.9.0) bokeh (0.11.1) boto (2.39.0) cdecimal (2.3) certifi (2016.9.26) cffi (1.5.2) chest (0.2.3) click (6.6) cloudpickle (0.1.1) clrmagic (0.0.1a2) clyent (1.2.1) colorama (0.3.7) comtypes (1.1.2) conda (4.2.9) conda-build (1.21.0) conda-manager (0.3.1) configobj (5.0.6) configparser (3.5.0) cryptography (1.3) cycler (0.10.0) Cython (0.24) cytoolz (0.7.5) dask (0.8.1) datashape (0.5.0) decorator (4.0.10) dill (0.2.4) docopt (0.6.2) docutils (0.12) dulwich (0.13.0) entrypoints (0.2.2) enum34 (1.1.6) et-xmlfile (1.0.1) fastcache (1.0.2) fileupload (0.1.3.dev1) Flask (0.10.1) Flask-Cors (2.1.2) funcsigs (0.4) functools32 (3.2.3.post2) futures (3.0.3) gevent (1.1.0) greenlet (0.4.9) grin (1.2.1) h5py (2.6.0) haxor (0.3.1) haxor-news (0.4.1) HeapDict (1.0.0) idna (2.0) ipaddress (1.0.14) ipykernel (4.5.0) ipython (5.1.0) ipython-genutils (0.1.0) ipywidgets (5.2.2) itsdangerous (0.24) jdcal (1.2) jedi (0.9.0) Jinja2 (2.8) jsonschema (2.5.1) jupyter (1.0.0) jupyter-client (4.4.0) jupyter-console (4.1.1) jupyter-contrib-core (0.3.0) jupyter-contrib-nbextensions (0.2.0) jupyter-core (4.2.0) jupyter-kernel-gateway (0.5.1) jupyter-nbextensions-configurator (0.2.2) Keras (1.0.7) llvmlite (0.12.1) llvmpy (0.12.1) locket (0.2.0) lxml (3.6.0) MarkupSafe (0.23) matplotlib (1.5.1) menuinst (1.3.2) meta (development) mistune (0.7.3) mpmath (0.19) multipledispatch (0.4.8) nbconvert (4.2.0) nbformat (4.1.0) networkx (1.11) nltk (3.2) nose (1.3.7) notebook (4.2.3) numba (0.27.0+0.g6ca78ce.dirty) numexpr (2.6.1) numpy (1.11.1) odo (0.4.2) openpyxl (2.3.2) pandas (0.18.1) partd (0.3.2) path.py (0.0.0) pathlib2 (2.1.0) patsy (0.4.1) pep8 (1.7.0) pickleshare (0.7.4) Pillow (3.1.1) pip (8.1.1) ply (3.8) prompt-toolkit (1.0.7) psutil (4.1.0) ptipython (1.0.0) ptpython (0.34) py (1.4.31) py-earth (0.1.0) pyasn1 (0.1.9) PyAutoGUI (0.9.33) pycosat (0.6.1) pycparser (2.14) pycrypto (2.6.1) pyflakes (1.1.0) Pygments (2.1.3) pyHook (1.5.1) pyhooked (0.8.0) PyInstaller (3.1.1) pymongo (3.3.0) PyMsgBox (1.0.3) pymssql (2.1.2) pyodbc (3.0.10) pyOpenSSL (0.15.1) pyparsing (2.0.3) pyreadline (2.1) pyrfa (7.6.2) PyScreeze (0.1.8) PySide (1.1.2) pytest (2.8.5) Python-contrib-nbextensions (alpha) python-dateutil (2.4.1) pythonnet (2.2.0.dev1) PyTweening (1.0.3) pytz (2016.2) pyvim (0.0.18) pywin32 (220) PyYAML (3.12) pyzmq (15.4.0) QtAwesome (0.3.2) qtconsole (4.2.0) QtPy (1.0) requests (2.4.3) rope (0.9.4) ruamel-yaml (-VERSION) scandir (1.2) scikit-image (0.12.3) scikit-learn (0.17.1) scipy (0.18.0) seaborn (0.7.0) setuptools (28.2.0) simplegeneric (0.8.1) singledispatch (3.4.0.3) six (1.10.0) snowballstemmer (1.2.1) sockjs-tornado (1.0.1) sphinx (1.3.5) sphinx-gallery (0.1.2) sphinx-rtd-theme (0.1.9) spyder (2.3.8) SQLAlchemy (1.0.12) statsmodels (0.6.1) sympy (1.0) tables (3.2.2) Theano (0.9.0.dev2) toolz (0.7.4) tornado (4.4.2) traitlets (4.3.1) tzlocal (1.2.2) uncertainties (3.0.1) unicodecsv (0.14.1) vanity (2.2.2) wcwidth (0.1.7) Werkzeug (0.11.4) wheel (0.29.0) widgetsnbextension (1.2.6) win-unicode-console (0.5) xdress (0.5.dev0) xlrd (0.9.4) XlsxWriter (0.8.4) xlwings (0.7.2) xlwt (1.0.0) yolk (0.4.3)

[denfromufa]

I found alternative solution, but let me check on this one again.

On Thursday, September 29, 2016, Grant Nestor [e-mail] wrote:

@denfromufa https://github.com/denfromufa Is this issue resolved after upgrading notebook?

— You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub https://github.com/ipython/ipywidgets/issues/558#issuecomment-250603968, or mute the thread https://github.com/notifications/unsubscribe-auth/AHgZ5RvWf2UM5eLpZOwhJnvXMX7D0ExSks5qvDV2gaJpZM4IWqYw .