title: ModuleNotFoundError: No module named 'keras.backend.tensorflow_backend'
body: <p>I am trying to run the code</p>
  
  <pre><code>import keras
  </code></pre>
  
  <p>And I am getting this stack trace.
  I have tried reinstalling keras and tensorflow but nothing in working.
  Here is the stack trace.</p>
  
  <pre><code>ModuleNotFoundError                       Traceback (most recent call last)
  &lt;ipython-input-10-88d96843a926&gt; in &lt;module&gt;
  ----&gt; 1 import keras
  
  ~\Anaconda3\lib\site-packages\keras\__init__.py in &lt;module&gt;
        1 from __future__ import absolute_import
        2 
  ----&gt; 3 from . import utils
        4 from . import activations
        5 from . import applications
  
  ~\Anaconda3\lib\site-packages\keras\utils\__init__.py in &lt;module&gt;
        4 from . import data_utils
        5 from . import io_utils
  ----&gt; 6 from . import conv_utils
        7 from . import losses_utils
        8 from . import metrics_utils
  
  ~\Anaconda3\lib\site-packages\keras\utils\conv_utils.py in &lt;module&gt;
        7 from six.moves import range
        8 import numpy as np
  ----&gt; 9 from .. import backend as K
       10 
       11 
  
  ~\Anaconda3\lib\site-packages\keras\backend\__init__.py in &lt;module&gt;
  ----&gt; 1 from .load_backend import epsilon
        2 from .load_backend import set_epsilon
        3 from .load_backend import floatx
        4 from .load_backend import set_floatx
        5 from .load_backend import cast_to_floatx
  
  ~\Anaconda3\lib\site-packages\keras\backend\load_backend.py in &lt;module&gt;
       88 elif _BACKEND == 'tensorflow':
       89     sys.stderr.write('Using TensorFlow backend.\n')
  ---&gt; 90     from .tensorflow_backend import *
       91 else:
       92     # Try and load external backend.
  
  ModuleNotFoundError: No module named 'keras.backend.tensorflow_backend'
  </code></pre>