title: After installing pandas-profiling, I tried to import it and ran into a problem
body: <p>I installed pandas-profiling using pip command and successfully installed it.
  But, when importing it, </p>
  
  <pre><code>from pandas_profiling import ProfileReport
  </code></pre>
  
  <p>I ran into the problem,</p>
  
  <pre><code>ValueError: bad marshal data (unknown type code)
  </code></pre>