title: SciPy import error when try to import spline
body: <p>Error lines I got:</p>
  
  <pre><code>    from scipy.interpolate import spline
  ImportError: cannot import name 'spline'
  </code></pre>
  
  <p>The source code cause the issue is :</p>
  
  <pre><code>from scipy.interpolate import spline
  </code></pre>
  
  <p>I have tried a couple of ways to install <code>scipy</code>:</p>
  
  <ul>
  <li>conda using <code>conda install scipy</code></li>
  <li>install from PyCharm
  <a href="https://i.stack.imgur.com/WtIGE.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/WtIGE.png" alt="enter image description here"></a>
  But none of them are working. Does anything know what happened?</li>
  </ul>