Cloning this repository:

git clone git://gitorious.org/pyqrencode/pyqrencode.git pyqrencode
cd pyqrencode

Add this repository as a remote to an existing local repository:

git remote add pyqrencode git://gitorious.org/pyqrencode/pyqrencode.git
git fetch pyqrencode
git checkout -b my-local-tracking-branch pyqrencode/master_or_other_branch