title: I can't import tensorflow-gpu
body: <p>I've successfully installed tensorflow with <code>pip install tensorflow</code> and that all works as expected.</p>
  <p>I can also successfully install tensorflow-gpu  with <code>pip install tensorflow-gpu</code> but I can't import it in my python script:</p>
  <pre><code>import tensorflow-gpu
  
  File &quot;&lt;stdin&gt;&quot;, line 1
  import tensorflow-gpu
                   ^
  SyntaxError: invalid syntax
  </code></pre>
  <p>i've installed CUDA v9.0 and run windows 10</p>