Instalar as libs separadamente (python 3.8)
pip install --no-binary lxml lxml==4.6.3
pip install --no-binary xmlsec xmlsec
Instalar as libs separadamente (python 3.10)
pip install --no-binary lxml==4.6.3 lxml==4.6.3 --force-reinstall
pip install --no-binary xmlsec==1.3.13 xmlsec==1.3.13
pip install --no-binary signxml==3.2.2 signxml==3.2.2