pip install pycurl后, 使用pycurl时, 出现了些错误:

PycURL: ImportError: pycurl: libcurl link-time ssl backend (nss) is different from compile-time ssl
    

解决方法:

pip uninstall pycurl
export PYCURL_SSL_LIBRARY=nss # 错误提示nss, 所有使用nss, 所有选项 openssl, gnutls, nss
pip install pycurl