pycurl installation error

The installation of pycurl under linux sometimes reports an error, which makes it unusable. Here are two solutions:

 

错误：ImportError: pycurl: libcurl link-time ssl backend (nss) is different from compile-time ssl backend (none/other)

 

1 Uninstall pycurl first: pip uninstall pycurl

   Execute: export PYCURL_SSL_LIBRARY=nss

  Install: sudo pip install pycurl

 

2 Uninstall pycurl first: pip uninstall pycurl

    Get pycurl: curl -O https://pypi.python.org/packages/source/p/pycurl/pycurl-7.19.3.1.tar.gz

    Install: tar -zvxf pycurl-7.19.3.1.tar.gz 

              cd pycurl-7.19.3.1

              sudo python setup.py --with-nss install