title: Not able to reference local WSDL file when using PEX
body: <p>I have a question about pex  build. So we have this project structure and we are trying to build a pex file off of it.  It has a WSDL file which needs to be referenced in the code. No matter what I do, when I run the pex  file, it throws an exception: File Not Found . Does anyone have any idea how to fix it? I am fairly new to Python.</p>
  
  <p>Below is the folder structure - </p>
  
  <pre><code>Main_Folder
    Util
      util1.py
        main.py
          WebService.xml
  </code></pre>
  
  <p>I tried this:</p>
  
  <pre><code>path = os.path.join(os.path.abspath(__file__), 'WebService.xml')
  url = urllib.parse.urljoin('file:', urllib.request.pathname2url(os.path.abspath(path)))
  </code></pre>