title: Why do I get an error "[Errno 42] Illegal byte sequence" when trying to install pillow using pip?
body: <p>I want to install pillow, but when I run <code>pip install pillow</code> in the cmd I get the following message:</p>
  <pre class="lang-none prettyprint-override"><code>DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7. More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
  Collecting pillow
    Downloading https://files.pythonhosted.org/packages/5e/b6/8960697526a79bd1cb4520293078be3a10d725f23f20abbee298ebdeaabd/Pillow-6.2.2-cp27-cp27m-win_amd64.whl (1.9MB)
       |ERROR: Could not install packages due to an EnvironmentError: [Errno 42] Illegal byte sequence
  
  WARNING: You are using pip version 19.2.3, however version 20.1 is available.
  You should consider upgrading via the 'python -m pip install --upgrade pip' command.
  </code></pre>
  <p>Python 3.8.2 is already installed on my computer and I added it to PATH.</p>
  <p>I also ran <code>python -m pip install --upgrade pip</code> and nothing has changed.</p>
  <p>What is the problem? Do I need to update the Python version?</p>