title: import featuretools and AttributeError: module 'tornado.platform.asyncio' has no attribute 'AnyThreadEventLoopPolicy'
body: <p>these are all the packages installed and the environment is Windows 7.1</p>
  
  <pre><code># Name                    Version                   Build  Channel
  _ipyw_jlab_nb_ext_conf    0.1.0            py36he6757f0_0
  alabaster                 0.7.10           py36hcd07829_0
  anaconda                  5.1.0                    py36_2
  anaconda-client           1.6.9                    py36_0
  anaconda-navigator        1.7.0                    py36_0
  anaconda-project          0.8.2            py36hfad2e28_0
  asn1crypto                0.24.0                   py36_0
  astroid                   1.6.1                    py36_0
  astropy                   2.0.3            py36hfa6e2cd_0
  attrs                     17.4.0                   py36_0
  babel                     2.5.3                    py36_0
  backports                 1.0              py36h81696a8_1
  backports.shutil_get_terminal_size 1.0.0            py36h79ab834_2
  beautifulsoup4            4.6.0            py36hd4cc5e8_1
  bitarray                  0.8.1            py36hfa6e2cd_1
  bkcharts                  0.2              py36h7e685f7_0
  blaze                     0.11.3           py36h8a29ca5_0
  bleach                    2.1.2                    py36_0
  bokeh                     0.12.13          py36h047fa9f_0
  boto                      2.48.0           py36h1a776d2_1
  boto3                     1.9.42                    &lt;pip&gt;
  botocore                  1.12.42                   &lt;pip&gt;
  bottleneck                1.2.1            py36hd119dfa_0
  bzip2                     1.0.6                hbe05fcf_4
  ca-certificates           2017.08.26           h94faf87_0
  certifi                   2018.1.18                py36_0
  cffi                      1.11.4           py36hfa6e2cd_0
  chardet                   3.0.4            py36h420ce6e_1
  click                     6.7              py36hec8c647_0
  cloudpickle               0.5.2                    py36_1
  clyent                    1.2.2            py36hb10d595_1
  colorama                  0.3.9            py36h029ae33_0
  comtypes                  1.1.4                    py36_0
  conda                     4.4.10                   py36_0
  conda-build               3.4.1                    py36_0
  conda-env                 2.6.0                h36134e3_1
  conda-verify              2.0.0            py36h065de53_0
  console_shortcut          0.1.1                h6bb2dd7_3
  contextlib2               0.5.5            py36he5d52c0_0
  cryptography              2.1.4            py36he1d7878_0
  curl                      7.58.0               h7602738_0
  cycler                    0.10.0           py36h009560c_0
  cython                    0.27.3           py36h22f4c84_0
  cytoolz                   0.9.0            py36hfa6e2cd_0
  dask                      0.16.1                   py36_0
  dask                      0.20.1                    &lt;pip&gt;
  dask-core                 0.16.1                   py36_0
  datashape                 0.5.4            py36h5770b85_0
  decorator                 4.2.1                    py36_0
  distributed               1.20.2                   py36_0
  distributed               1.24.1                    &lt;pip&gt;
  docutils                  0.14             py36h6012d8f_0
  entrypoints               0.2.3            py36hfd66bb0_2
  et_xmlfile                1.0.1            py36h3d2d736_0
  fastcache                 1.0.2            py36hfa6e2cd_2
  featuretools              0.4.0                     &lt;pip&gt;
  filelock                  2.0.13           py36h20000bf_0
  flask                     0.12.2           py36h98b5e8f_0
  flask-cors                3.0.3            py36h8a3855d_0
  freetype                  2.8                  h51f8f2c_1
  future                    0.17.1                    &lt;pip&gt;
  get_terminal_size         1.0.0                h38e98db_0
  gevent                    1.2.2            py36h342a76c_0
  glob2                     0.6              py36hdf76b57_0
  greenlet                  0.4.12           py36ha00ad21_0
  h5py                      2.7.1            py36he54a1c3_0
  hdf5                      1.10.1               h98b8871_1
  heapdict                  1.0.0                    py36_2
  html5lib                  1.0.1            py36h047fa9f_0
  icc_rt                    2017.0.4             h97af966_0
  icu                       58.2                 ha66f8fd_1
  idna                      2.6              py36h148d497_1
  imageio                   2.2.0            py36had6c2d2_0
  imagesize                 0.7.1            py36he29f638_0
  intel-openmp              2018.0.0             hd92c6cd_8
  ipykernel                 4.8.0                    py36_0
  ipython                   6.2.1            py36h9cf0123_1
  ipython_genutils          0.2.0            py36h3c5d0ee_0
  ipywidgets                7.1.1                    py36_0
  isort                     4.2.15           py36h6198cc5_0
  itsdangerous              0.24             py36hb6c5a24_1
  jdcal                     1.3              py36h64a5255_0
  jedi                      0.11.1                   py36_0
  jinja2                    2.10             py36h292fed1_0
  jmespath                  0.9.3                     &lt;pip&gt;
  jpeg                      9b                   hb83a4c4_2
  jsonschema                2.6.0            py36h7636477_0
  jupyter                   1.0.0                    py36_4
  jupyter_client            5.2.2                    py36_0
  jupyter_console           5.2.0            py36h6d89b47_1
  jupyter_core              4.4.0            py36h56e9d50_0
  jupyterlab                0.31.4                   py36_0
  jupyterlab_launcher       0.10.2                   py36_0
  lazy-object-proxy         1.3.1            py36hd1c21d2_0
  libcurl                   7.58.0               h7602738_0
  libiconv                  1.15                 h1df5818_7
  libpng                    1.6.34               h79bbb47_0
  libssh2                   1.8.0                hd619d38_4
  libtiff                   4.0.9                h0f13578_0
  libxml2                   2.9.7                h79bbb47_0
  libxslt                   1.1.32               hf6f1972_0
  llvmlite                  0.21.0           py36he0b0552_0
  locket                    0.2.0            py36hfed976d_1
  lxml                      4.1.1            py36hef2cd61_1
  lzo                       2.10                 h6df0209_2
  markupsafe                1.0              py36h0e26971_1
  matplotlib                2.1.2            py36h016c42a_0
  mccabe                    0.6.1            py36hb41005a_1
  menuinst                  1.4.11           py36hfa6e2cd_0
  mistune                   0.8.3                    py36_0
  mkl                       2018.0.1             h2108138_4
  mkl-service               1.1.2            py36h57e144c_4
  mpmath                    1.0.0            py36hacc8adf_2
  msgpack                   0.5.6                     &lt;pip&gt;
  msgpack-python            0.5.1            py36he980bc4_0
  multipledispatch          0.4.9            py36he44c36e_0
  navigator-updater         0.1.0            py36h8a7b86b_0
  nbconvert                 5.3.1            py36h8dc0fde_0
  nbformat                  4.4.0            py36h3a5bc1b_0
  networkx                  2.1                      py36_0
  nltk                      3.2.5            py36h76d52bb_0
  nose                      1.3.7            py36h1c3779e_2
  notebook                  5.4.0                    py36_0
  numba                     0.36.2          np114py36h12cb543_0
  numexpr                   2.6.4            py36h30784b8_0
  numpy                     1.14.0           py36h4a99626_1
  numpydoc                  0.7.0            py36ha25429e_0
  odo                       0.5.1            py36h7560279_0
  olefile                   0.45.1                   py36_0
  openpyxl                  2.4.10                   py36_0
  openssl                   1.0.2n               h74b6da3_0
  packaging                 16.8             py36ha0986f6_1
  pandas                    0.23.4                    &lt;pip&gt;
  pandas                    0.22.0           py36h6538335_0
  pandoc                    1.19.2.1             hb2460c7_1
  pandocfilters             1.4.2            py36h3ef6317_1
  parso                     0.1.1            py36hae3edee_0
  partd                     0.3.8            py36hc8e763b_0
  path.py                   10.5             py36h2b94a8f_0
  pathlib2                  2.3.0            py36h7bfb78b_0
  patsy                     0.5.0                    py36_0
  pep8                      1.7.1                    py36_0
  pickleshare               0.7.4            py36h9de030f_0
  pillow                    5.0.0            py36h0738816_0
  pip                       18.1                      &lt;pip&gt;
  pip                       9.0.1            py36h226ae91_4
  pkginfo                   1.4.1            py36hb0f9cfa_1
  pluggy                    0.6.0            py36hc7daf1e_0
  ply                       3.10             py36h1211beb_0
  prompt_toolkit            1.0.15           py36h60b8f86_0
  psutil                    5.4.8                     &lt;pip&gt;
  psutil                    5.4.3            py36hfa6e2cd_0
  py                        1.5.2            py36hbcfbabc_0
  pycodestyle               2.3.1            py36h7cc55cd_0
  pycosat                   0.6.3            py36h413d8a4_0
  pycparser                 2.18             py36hd053e01_1
  pycrypto                  2.6.1            py36hfa6e2cd_7
  pycurl                    7.43.0.1         py36h74b6da3_0
  pyflakes                  1.6.0            py36h0b975d6_0
  pygments                  2.2.0            py36hb010967_0
  pylint                    1.8.2                    py36_0
  pyodbc                    4.0.22           py36h6538335_0
  pyopenssl                 17.5.0           py36h5b7d817_0
  pyparsing                 2.2.0            py36h785a196_1
  pyqt                      5.6.0            py36hb5ed885_5
  pysocks                   1.6.7            py36h698d350_1
  pytables                  3.4.2            py36h71138e3_2
  pytest                    3.3.2                    py36_0
  python                    3.6.4                h6538335_1
  python-dateutil           2.6.1            py36h509ddcb_1
  pytz                      2017.3           py36h1d3fa6b_0
  pywavelets                0.5.2            py36hc649158_0
  pywin32                   222              py36hfa6e2cd_0
  pywinpty                  0.5              py36h6538335_1
  pyyaml                    3.12             py36h1d1928f_1
  pyzmq                     16.0.3           py36he714bf5_0
  qt                        5.6.2           vc14h6f8c307_12  [vc14]
  qtawesome                 0.4.4            py36h5aa48f6_0
  qtconsole                 4.3.1            py36h99a29a9_0
  qtpy                      1.3.1            py36hb8717c5_0
  requests                  2.18.4           py36h4371aae_1
  rope                      0.10.7           py36had63a69_0
  ruamel_yaml               0.15.35          py36hfa6e2cd_1
  s3fs                      0.1.6                     &lt;pip&gt;
  s3transfer                0.1.13                    &lt;pip&gt;
  scikit-image              0.13.1           py36hfa6e2cd_1
  scikit-learn              0.19.1           py36h53aea1b_0
  scipy                     1.0.0            py36h1260518_0
  seaborn                   0.8.1            py36h9b69545_0
  send2trash                1.4.2                    py36_0
  setuptools                38.4.0                   py36_0
  simplegeneric             0.8.1                    py36_2
  singledispatch            3.4.0.3          py36h17d0c80_0
  sip                       4.18.1           py36h9c25514_2
  six                       1.11.0           py36h4db2310_1
  snowballstemmer           1.2.1            py36h763602f_0
  sortedcollections         0.5.3            py36hbefa0ab_0
  sortedcontainers          1.5.9                    py36_0
  sphinx                    1.6.6                    py36_0
  sphinxcontrib             1.0              py36hbbac3d2_1
  sphinxcontrib-websupport  1.0.1            py36hb5e5916_1
  spyder                    3.2.6                    py36_0
  sqlalchemy                1.2.1            py36hfa6e2cd_0
  sqlite                    3.22.0               h9d3ae62_0
  statsmodels               0.8.0            py36h6189b4c_0
  sympy                     1.1.1            py36h96708e0_0
  tblib                     1.3.2            py36h30f5020_0
  terminado                 0.8.1                    py36_1
  testpath                  0.3.1            py36h2698cfe_0
  tk                        8.6.7                hcb92d03_3
  toolz                     0.9.0                    py36_0
  tornado                   4.5.3                    py36_0
  tqdm                      4.28.1                    &lt;pip&gt;
  traitlets                 4.3.2            py36h096827d_0
  typing                    3.6.2            py36hb035bda_0
  unicodecsv                0.14.1           py36h6450c06_0
  urllib3                   1.22             py36h276f60a_0
  vc                        14                   h0510ff6_3
  vs2015_runtime            14.0.25123                    3
  wcwidth                   0.1.7            py36h3d5aa90_0
  webencodings              0.5.1            py36h67c50ae_1
  werkzeug                  0.14.1                   py36_0
  wheel                     0.30.0           py36h6c3ec14_1
  widgetsnbextension        3.1.0                    py36_0
  win_inet_pton             1.0.1            py36he67d7fd_1
  win_unicode_console       0.5              py36hcdbd4b5_0
  wincertstore              0.2              py36h7fe50ca_0
  winpty                    0.4.3                         4
  wrapt                     1.10.11          py36he5f5981_0
  xlrd                      1.1.0            py36h1cb58dc_1
  xlsxwriter                1.0.2            py36hf723b7d_0
  xlwings                   0.11.5                   py36_0
  xlwt                      1.3.0            py36h1a4751e_0
  yaml                      0.1.7                hc54c509_2
  zict                      0.1.3            py36h2d8e73e_0
  zlib                      1.2.11               h8395fce_2
  </code></pre>
  
  <p>When I imported <code>featuretools</code> on jupyter notebook, it raised an error.
  Anyone knows how to fix?</p>
  
  <blockquote>
    <p>--------------------------------------------------------------------------- AttributeError                            Traceback (most recent call
    last)  in ()
          1 # Automated feature engineering
    ----> 2 import featuretools as ft</p>
    
    <p>D:\Program Files\Anaconda3\lib\site-packages\featuretools__init__.py
    in ()
          5 from .entityset.api import *
          6 from . import primitives
    ----> 7 from .synthesis.api import *
          8 from .primitives import Feature, list_primitives
          9 from .computational_backends.api import *</p>
    
    <p>D:\Program
    Files\Anaconda3\lib\site-packages\featuretools\synthesis__init__.py
    in ()
          1 from <strong>future</strong> import absolute_import
          2 # flake8: noqa
    ----> 3 from .api import *</p>
    
    <p>D:\Program
    Files\Anaconda3\lib\site-packages\featuretools\synthesis\api.py in
    ()
          3 # flake8: noqa
          4 from .deep_feature_synthesis import DeepFeatureSynthesis
    ----> 5 from .dfs import dfs
          6 from .encode_features import encode_features</p>
    
    <p>D:\Program
    Files\Anaconda3\lib\site-packages\featuretools\synthesis\dfs.py in
    ()
          3 from .deep_feature_synthesis import DeepFeatureSynthesis
          4 
    ----> 5 from featuretools.computational_backends import calculate_feature_matrix
          6 from featuretools.entityset import EntitySet
          7 </p>
    
    <p>D:\Program
    Files\Anaconda3\lib\site-packages\featuretools\computational_backends__init__.py
    in ()
          1 # flake8: noqa
    ----> 2 from .api import *</p>
    
    <p>D:\Program
    Files\Anaconda3\lib\site-packages\featuretools\computational_backends\api.py
    in ()
          1 # flake8: noqa
    ----> 2 from .calculate_feature_matrix import (
          3     approximate_features,
          4     calculate_feature_matrix
          5 )</p>
    
    <p>D:\Program
    Files\Anaconda3\lib\site-packages\featuretools\computational_backends\calculate_feature_matrix.py
    in ()
         15 
         16 from .pandas_backend import PandasBackend
    ---> 17 from .utils import (
         18     bin_cutoff_times,
         19     calc_num_per_chunk,</p>
    
    <p>D:\Program
    Files\Anaconda3\lib\site-packages\featuretools\computational_backends\utils.py
    in ()
          8 import pandas as pd
          9 import psutil
    ---> 10 from distributed import Client, LocalCluster
         11 from pandas.tseries.frequencies import to_offset
         12 </p>
    
    <p>D:\Program Files\Anaconda3\lib\site-packages\distributed__init__.py
    in ()
          3 from . import config
          4 from dask.config import config
    ----> 5 from .actor import Actor, ActorFuture
          6 from .core import connect, rpc
          7 from .deploy import LocalCluster, Adaptive</p>
    
    <p>D:\Program Files\Anaconda3\lib\site-packages\distributed\actor.py in
    ()
          2 import functools
          3 
    ----> 4 from .client import Future, default_client
          5 from .compatibility import get_thread_identity, Queue
          6 from .protocol import to_serialize</p>
    
    <p>D:\Program Files\Anaconda3\lib\site-packages\distributed\client.py in
    ()
         42 from tornado.queues import Queue
         43 
    ---> 44 from .batched import BatchedSend
         45 from .utils_comm import (WrappedKey, unpack_remotedata, pack_data,
         46                          scatter_to_workers, gather_from_workers)</p>
    
    <p>D:\Program Files\Anaconda3\lib\site-packages\distributed\batched.py in
    ()
          8 from tornado.ioloop import IOLoop
          9 
    ---> 10 from .core import CommClosedError
         11 from .utils import parse_timedelta
         12 </p>
    
    <p>D:\Program Files\Anaconda3\lib\site-packages\distributed\core.py in
    ()
         18 
         19 from .compatibility import get_thread_identity
    ---> 20 from .comm import (connect, listen, CommClosedError,
         21                    normalize_address,
         22                    unparse_host_port, get_address_host_port)</p>
    
    <p>D:\Program
    Files\Anaconda3\lib\site-packages\distributed\comm__init__.py in
    ()
          7                          get_local_address_for,
          8                          )
    ----> 9 from .core import connect, listen, Comm, CommClosedError
         10 
         11 </p>
    
    <p>D:\Program Files\Anaconda3\lib\site-packages\distributed\comm\core.py
    in ()
         10 
         11 from ..metrics import time
    ---> 12 from ..utils import parse_timedelta
         13 from . import registry
         14 from .addressing import parse_address</p>
    
    <p>D:\Program Files\Anaconda3\lib\site-packages\distributed\utils.py in
    ()    1388         import asyncio    1389         import
    tornado.platform.asyncio
    -> 1390         asyncio.set_event_loop_policy(tornado.platform.asyncio.AnyThreadEventLoopPolicy())
    1391     1392 </p>
    
    <p>AttributeError: module 'tornado.platform.asyncio' has no attribute
    'AnyThreadEventLoopPolicy'</p>
  </blockquote>