title: Error when "import tensorflow as tf" in colab
body: <p>When I &quot;import tensorflow as tf&quot; in google colab I am getting the following error. Any idea how to fix it ?</p>
  <pre><code>RuntimeError: module compiled against API version 0xe but this version of numpy is 0xd
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  ImportError                               Traceback (most recent call last)
  &lt;ipython-input-37-07e0f991eb97&gt; in &lt;module&gt;()
  ----&gt; 1 import tensorflow as tf
        2 
  
  3 frames
  /usr/local/lib/python3.7/dist-packages/tensorflow/python/client/pywrap_tf_session.py in &lt;module&gt;()
       17 # pylint: disable=invalid-import-order,g-bad-import-order, wildcard-import, unused-import
       18 from tensorflow.python import pywrap_tensorflow
  ---&gt; 19 from tensorflow.python.client._pywrap_tf_session import *
       20 from tensorflow.python.client._pywrap_tf_session import _TF_SetTarget
       21 from tensorflow.python.client._pywrap_tf_session import _TF_SetConfig
  
  ImportError: SystemError: &lt;built-in method __contains__ of dict object at 0x7f79368db0a0&gt; returned a result with an error set
  
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  </code></pre>