title: AttributeError: 'module' object has no attribute 'computation'
body: <p>Im trying to use Keras (Sequential) but I get the following error when I try to import it:</p>
  
  <pre><code>File "kaggle_titanic_keras.py", line 3, in &lt;module&gt;
      from keras.models import Sequential
    File "/anaconda/lib/python2.7/site-packages/keras/__init__.py", line 4, in &lt;module&gt;
      from . import applications
    File "/anaconda/lib/python2.7/site-packages/keras/applications/__init__.py", line 1, in &lt;module&gt;
      from .vgg16 import VGG16
    File "/anaconda/lib/python2.7/site-packages/keras/applications/vgg16.py", line 14, in &lt;module&gt;
      from ..models import Model
    File "/anaconda/lib/python2.7/site-packages/keras/models.py", line 14, in &lt;module&gt;
      from . import layers as layer_module
    File "/anaconda/lib/python2.7/site-packages/keras/layers/__init__.py", line 4, in &lt;module&gt;
      from ..engine import Layer
    File "/anaconda/lib/python2.7/site-packages/keras/engine/__init__.py", line 8, in &lt;module&gt;
      from .training import Model
    File "/anaconda/lib/python2.7/site-packages/keras/engine/training.py", line 24, in &lt;module&gt;
      from .. import callbacks as cbks
    File "/anaconda/lib/python2.7/site-packages/keras/callbacks.py", line 25, in &lt;module&gt;
      from tensorflow.contrib.tensorboard.plugins import projector
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/__init__.py", line 30, in &lt;module&gt;
      from tensorflow.contrib import factorization
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/factorization/__init__.py", line 24, in &lt;module&gt;
      from tensorflow.contrib.factorization.python.ops.gmm import *
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/factorization/python/ops/gmm.py", line 27, in &lt;module&gt;
      from tensorflow.contrib.learn.python.learn.estimators import estimator
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/learn/__init__.py", line 87, in &lt;module&gt;
      from tensorflow.contrib.learn.python.learn import *
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/learn/python/__init__.py", line 23, in &lt;module&gt;
      from tensorflow.contrib.learn.python.learn import *
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/learn/python/learn/__init__.py", line 25, in &lt;module&gt;
      from tensorflow.contrib.learn.python.learn import estimators
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/learn/python/learn/estimators/__init__.py", line 297, in &lt;module&gt;
      from tensorflow.contrib.learn.python.learn.estimators.dnn import DNNClassifier
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/learn/python/learn/estimators/dnn.py", line 29, in &lt;module&gt;
      from tensorflow.contrib.learn.python.learn.estimators import dnn_linear_combined
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/learn/python/learn/estimators/dnn_linear_combined.py", line 31, in &lt;module&gt;
      from tensorflow.contrib.learn.python.learn.estimators import estimator
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/learn/python/learn/estimators/estimator.py", line 49, in &lt;module&gt;
      from tensorflow.contrib.learn.python.learn.learn_io import data_feeder
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/learn/python/learn/learn_io/__init__.py", line 21, in &lt;module&gt;
      from tensorflow.contrib.learn.python.learn.learn_io.dask_io import extract_dask_data
    File "/anaconda/lib/python2.7/site-packages/tensorflow/contrib/learn/python/learn/learn_io/dask_io.py", line 26, in &lt;module&gt;
      import dask.dataframe as dd
    File "/anaconda/lib/python2.7/site-packages/dask/dataframe/__init__.py", line 3, in &lt;module&gt;
      from .core import (DataFrame, Series, Index, _Frame, map_partitions,
    File "/anaconda/lib/python2.7/site-packages/dask/dataframe/core.py", line 38, in &lt;module&gt;
      pd.computation.expressions.set_use_numexpr(False)
  AttributeError: 'module' object has no attribute 'computation'
  </code></pre>
  
  <p>Im running Python 2.7, TensorFlow 1.1 , Keras 2.0.3 and 'upgraded' to Pandas 0.20.1 yesterday which I suspect is causing the problem but the error message says nothing about it.</p>