title: How to install tensorflow-gpu==1.11.0
body: <p>My project needs tensorflow==1.11.0
  But when I tried to install it, I got:</p>
  
  <pre><code>pip install tensorflow-gpu==1.11.0
  Looking in indexes: http://mirrors.aliyun.com/pypi/simple
  ERROR: Could not find a version that satisfies the requirement tensorflow-gpu==1.11.0 (from versions: 1.13.1, 1.13.2, 1.14.0, 1.15.0rc0, 1.15.0rc1, 1.15.0rc2, 1.15.0rc3, 1.15.0, 1.15.2, 1.15.3, 2.0.0a0, 2.0.0b0, 2.0.0b1, 2.0.0rc0, 2.0.0rc1, 2.0.0rc2, 2.0.0, 2.0.1, 2.0.2, 2.1.0rc0, 2.1.0rc1, 2.1.0rc2, 2.1.0, 2.1.1, 2.2.0rc0, 2.2.0rc1, 2.2.0rc2, 2.2.0rc3, 2.2.0rc4, 2.2.0)
  ERROR: No matching distribution found for tensorflow-gpu==1.11.0
  
  </code></pre>
  
  <p>Plus, I am using py3.7.</p>