note, pycurl install error

pycurl install error in python3.6

sudo apt-get install libpython3.6-dev
sudo apt install python-pycurl
sudo apt install libcurl4-gnutls-dev
sudo apt-get install python3.6-dev
sudo apt-get install libssl-dev libcurl4-openssl-dev

export PYCURL_SSL_LIBRARY=openssl
pip install --compile --install-option="--with-openssl" --no-cache-dir pycurl

 

import error - pycurl
error : ImportError: pycurl: libcurl link-time ssl backend (gnutls) is different from compile-time ssl backend (openssl)
reason: not installed openssl; libcurl4-openssl-dev

pip uninstall pycurl
sudo apt-get install libcurl4-openssl-dev
pip install --compile --install-option="--with-openssl" pycurl