With the added 'python-pytest-3.0' dependency, the question for the dependency is solved (which is a current failure), afterwards you get to this one: phase `build' succeeded after 1.3 seconds starting phase `check' running "python setup.py" with command "test" and parameters () running test running egg_info writing top-level names to graphene.egg-info/top_level.txt writing graphene.egg-info/PKG-INFO writing requirements to graphene.egg-info/requires.txt writing dependency_links to graphene.egg-info/dependency_links.txt warning: manifest_maker: standard file '-c' not found reading manifest file 'graphene.egg-info/SOURCES.txt' reading manifest template 'MANIFEST.in' warning: no previously-included files matching 'tests/*' found anywhere in distribution warning: no previously-included files matching '*' found under directory 'tests' warning: no previously-included files matching '*' found under directory 'tests_py35' warning: no previously-included files matching '*' found under directory 'examples' writing manifest file 'graphene.egg-info/SOURCES.txt' running build_ext ============================= test session starts ============================== platform linux -- Python 3.5.3, pytest-3.0.7, py-1.4.32, pluggy-0.4.0 rootdir: /tmp/guix-build-python-graphene-0.10.2.drv-0/graphene-0.10.2, inifile: plugins: django-3.1.2 collected 0 items ========================= no tests ran in 0.03 seconds ========================= phase `check' failed after 2.6 seconds builder for `/gnu/store/zkrdnmi2a5ashb863hdfpl0dxy5nhn4z-python-graphene-0.10.2.drv' failed with exit code 1 @ build-failed /gnu/store/zkrdnmi2a5ashb863hdfpl0dxy5nhn4z-python-graphene-0.10.2.drv - 1 builder for `/gnu/store/zkrdnmi2a5ashb863hdfpl0dxy5nhn4z-python-graphene-0.10.2.drv' failed with exit code 1 derivation '/gnu/store/zkrdnmi2a5ashb863hdfpl0dxy5nhn4z-python-graphene-0.10.2.drv' offloaded to '192.168.1.179' failed: build of `/gnu/store/zkrdnmi2a5ashb863hdfpl0dxy5nhn4z-python-graphene-0.10.2.drv' failed Some deprecated features have been used. Set the environment variable GUILE_WARN_DEPRECATED to "detailed" and rerun the program to get more information. Set it to "no" to suppress this message. @ build-failed /gnu/store/zkrdnmi2a5ashb863hdfpl0dxy5nhn4z-python-graphene-0.10.2.drv - 1 builder for `/gnu/store/zkrdnmi2a5ashb863hdfpl0dxy5nhn4z-python-graphene-0.10.2.drv' failed with exit code 100 guix build: error: build failed: build of `/gnu/store/zkrdnmi2a5ashb863hdfpl0dxy5nhn4z-python-graphene-0.10.2.drv' failed -- ng0 GnuPG: A88C8ADD129828D7EAC02E52E22F9BBFEE348588 GnuPG: https://n0is.noblogs.org/my-keys https://www.infotropique.org https://krosos.org