title: How do I fix "StrictVersion instance has no attribute 'version'" in git review
body: <p>I get:</p>
  
  <pre><code>Traceback (most recent call last):
    File "/usr/local/bin/git-review", line 863, in &lt;module&gt;
      main()
    File "/usr/local/bin/git-review", line 796, in main
      needs_update = latest_is_newer()
    File "/usr/local/bin/git-review", line 147, in latest_is_newer
      if latest_version &gt; StrictVersion(version):
    File "/usr/lib/python2.7/distutils/version.py", line 140, in __cmp__
      compare = cmp(self.version, other.version)
  AttributeError: StrictVersion instance has no attribute 'version'
  </code></pre>
  
  <p>How do I fix git-review?</p>