Paul Garlick skribis: > * gnu/packages/simulation.scm (python-fenics-ufl): New variable. [...] > + (chdir "test") > + (invoke "py.test") > + (chdir "..") Also ‘with-directory-excursion’ here. > + (home-page > + "https://bitbucket.org/fenics-project/ufl/") Single line please. :-) Otherwise LGTM! Ludo’.