title: Facing problem regarding installation of lxml in venv,
body: <p>I am trying to setup evalai-cli using pip,
  but i am facing problems during setup when i try to run</p>
  
  <pre><code>pip install evalai
  </code></pre>
  
  <hr>
  
  <p>Could not find function xmlCheckVersion in library libxml2. Is libxml2 installed?</p>
  
  <hr>
  
  <p>ERROR: Command errored out with exit status 1:
       command: 'c:\users\amana\evalai-cli\venv\scripts\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\amana\AppData\Local\Temp\pip-install-iwb_ci9r\lxml\setup.py'"'"'; <strong>file</strong>='"'"'C:\Users\amana\AppData\Local\Temp\pip-install-iwb_ci9r\lxml\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(<strong>file</strong>);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, <strong>file</strong>, '"'"'exec'"'"'))' install --record 'C:\Users\amana\AppData\Local\Temp\pip-record-tu5o2fvl\install-record.txt' --single-version-externally-managed --compile --install-headers 'c:\users\amana\evalai-cli\venv\include\site\python3.8\lxml'
           cwd: C:\Users\amana\AppData\Local\Temp\pip-install-iwb_ci9r\lxml\</p>
  
  <hr>
  
  <p>ERROR: b"'xslt-config' is not recognized as an internal or external command,\r\noperable program or batch file.\r\n"
      ** make sure the development packages of libxml2 and libxslt are installed **</p>
  
  <hr>
  
  <p>I have installed lxml using <code>easy_install lxml</code> &amp; www.lfd.uci.edu
  but still the problem remains
  I am on windows 10 64 bit running python 38</p>