Hi Ben, Ben Sturmfels skribis: > * gnu/packages/pdf.scm (pdfarranger): New public variable. Applied! I’ve followed up with a patch that sets ‘GI_TYPELIB_PATH’ to address this error: --8<---------------cut here---------------start------------->8--- $ /gnu/store/9r9yzb15rpxl1nzzrm9a96assrffqyij-pdfarranger-1.3.1/bin/pdfarranger --help Traceback (most recent call last): File "/gnu/store/9r9yzb15rpxl1nzzrm9a96assrffqyij-pdfarranger-1.3.1/bin/.pdfarranger-real", line 11, in load_entry_point('pdfarranger==1.3.1', 'console_scripts', 'pdfarranger')() File "/gnu/store/608bvypsh90c58apvd2cgg3m9l2pwjqn-python-3.7.4/lib/python3.7/site-packages/pkg_resources/__init__.py", line 489, in load_entry_point return get_distribution(dist).load_entry_point(group, name) File "/gnu/store/608bvypsh90c58apvd2cgg3m9l2pwjqn-python-3.7.4/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2793, in load_entry_point return ep.load() File "/gnu/store/608bvypsh90c58apvd2cgg3m9l2pwjqn-python-3.7.4/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2411, in load return self.resolve() File "/gnu/store/608bvypsh90c58apvd2cgg3m9l2pwjqn-python-3.7.4/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2417, in resolve module = __import__(self.module_name, fromlist=['__name__'], level=0) File "/gnu/store/9r9yzb15rpxl1nzzrm9a96assrffqyij-pdfarranger-1.3.1/lib/python3.7/site-packages/pdfarranger/pdfarranger.py", line 74, in gi.require_version('Gtk', '3.0') File "/gnu/store/z5fdc5aa9hs4c3p79ajzgxhazv7702y8-python-pygobject-3.28.3/lib/python3.7/site-packages/gi/__init__.py", line 130, in require_version raise ValueError('Namespace %s not available' % namespace) ValueError: Namespace Gtk not available --8<---------------cut here---------------end--------------->8--- Thanks, Ludo’.