title: Trying to unpickle estimator SVC from version 0.19.1 when using version 0.22.1 error
body: <p>I'm trying to run some demo example with speech WAV segmentation.</p>
  
  <pre><code>   from pyAudioAnalysis import audioSegmentation as aS
      [flagsInd, classesAll, acc, CM] = aS.mtFileClassification("diarizationExample.wav", 
  "svmSM", "svm", True, 'dar.segments.txt')
  </code></pre>
  
  <p>the error I get:</p>
  
  <pre><code>C:\Users\Kenzhegaliyev_EK\AppData\Local
  \Continuum\anaconda3\lib\site-packages\sklearn\base.py:318: 
  UserWarning:
  
  
      Trying to unpickle estimator SVC from version 0.19.1 
  
      when using version 0.22.1. This might lead 
  to breaking code or invalid results. Use at your own risk.
            UserWarning)
  </code></pre>
  
  <p>It's some old sklearn's svc estimator.</p>
  
  <p>How should i fix it? Uninstall sklearn and install the version 0.19.1?</p>