title: Updating packages using pip-review doesn't work
body: <p>I tried to update all my packages using <code>pip-review</code>, which worked for me once, but now it doesn't work. When I write</p>
  <pre><code>pip-review -a
  </code></pre>
  <p>In the CMD, I get these errors:</p>
  <pre><code>ERROR: Could not install packages due to an OSError: [WinError 5] Access is denied: 'C:\\Users\\MY_NAME\\AppData\\Local\\Programs\\Python\\Python39\\Lib\\site-packages\\~yzmq.libs\\libsodium-3b4bc14f.dll'
  Consider using the `--user` option or check the permissions.
  
  WARNING: Ignoring invalid distribution -ywin32 (c:\users\MY_NAME\appdata\roaming\python\python39\site-packages)
  WARNING: Ignoring invalid distribution -yrsistent (c:\users\MY_NAME\appdata\local\programs\python\python39\lib\site-packages)
  WARNING: Ignoring invalid distribution -ffi (c:\users\MY_NAME\appdata\local\programs\python\python39\lib\site-packages)
  
  </code></pre>
  <p>I tried to open the CMD using administrator, and still the same errors. I tried to use:</p>
  <pre><code>pip-review -i
  </code></pre>
  <p>and update just a few packages, and not all of them together, still the same errors.</p>
  <p>I am using python 3.9.1, nothing changed from the last time I used <code>pip-review</code> (that worked) except that I did download another version of python, python 3.8 (which I used only to run 2 pyc files).</p>