title: MAC OS ImportError: pycurl: libcurl link-time version (7.37.1) is older than compile-time version (7.43.0)
body: <p>when i import curl in python interface,it displayed the error</p>
  
  <pre><code>ImportError: pycurl: libcurl link-time version (7.37.1) is older than compile-time version (7.43.0).
  </code></pre>
  
  <p>how to solve it ? my system is yosemite.</p>