python-qrcode from security:guardianproject project

សម្រាប់​ Fedora 20 ដំណើរការ​អ្វី​ៗ​ដូច​ខាងក្រោម​ជា root:

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/security:guardianproject/Fedora_20/security:guardianproject.repo
yum install python-qrcode