SYSTEM INFORMATION Generation 54 Mar 24 2022 11:42:45 (current) guix ab98b51 repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: ab98b51ef1304e975da127e3092d01dcc7f02657 unknown-horizons 2019.1 STEPS TO REPRODUCE 1. guix shell unknown-horizons -- unknown-horizon EXPECTED RESULT The game starts. UNEXPECTED RESULT The game fails to start with the following error: guix shell unknown-horizons -- unknown-horizons /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/widget.py:1038: SyntaxWarning: "is" with a literal. Did you mean "=="? if len(margin) is 4: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/widget.py:1044: SyntaxWarning: "is" with a literal. Did you mean "=="? elif len(margin) is 3: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/widget.py:1050: SyntaxWarning: "is" with a literal. Did you mean "=="? elif len(margin) is 2: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/widget.py:1056: SyntaxWarning: "is" with a literal. Did you mean "=="? elif len(margin) is 1: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/widget.py:1068: SyntaxWarning: "is" with a literal. Did you mean "=="? if len(padding) is 4: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/widget.py:1074: SyntaxWarning: "is" with a literal. Did you mean "=="? elif len(padding) is 3: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/widget.py:1080: SyntaxWarning: "is" with a literal. Did you mean "=="? elif len(padding) is 2: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/widget.py:1086: SyntaxWarning: "is" with a literal. Did you mean "=="? elif len(padding) is 1: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/animationicon.py:193: SyntaxWarning: "is not" with a literal. Did you mean "!="? if anim is not "": /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/curvegraph.py:164: SyntaxWarning: "is" with a literal. Did you mean "=="? if coordinates is None or len(coordinates) is 0: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/linegraph.py:157: SyntaxWarning: "is" with a literal. Did you mean "=="? if coordinates is None or len(coordinates) is 0: /gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/pychan/widgets/pointgraph.py:157: SyntaxWarning: "is" with a literal. Did you mean "=="? if coordinates is None or len(coordinates) is 0: Traceback (most recent call last): File "/gnu/store/5kah2sx0bzp77l3fjbg4mx0y7a2w3wkb-unknown-horizons-2019.1/bin/.unknown-horizons-real", line 381, in main() File "/gnu/store/5kah2sx0bzp77l3fjbg4mx0y7a2w3wkb-unknown-horizons-2019.1/bin/.unknown-horizons-real", line 122, in main ret = horizons.main.start(options) File "/gnu/store/5kah2sx0bzp77l3fjbg4mx0y7a2w3wkb-unknown-horizons-2019.1/lib/python3.9/site-packages/horizons/main.py", line 113, in start horizons.globals.fife = Fife() File "/gnu/store/5kah2sx0bzp77l3fjbg4mx0y7a2w3wkb-unknown-horizons-2019.1/lib/python3.9/site-packages/horizons/engine/engine.py", line 46, in __init__ self._setting = Settings(PATHS.USER_CONFIG_FILE, PATHS.SETTINGS_TEMPLATE_FILE) File "/gnu/store/5kah2sx0bzp77l3fjbg4mx0y7a2w3wkb-unknown-horizons-2019.1/lib/python3.9/site-packages/horizons/engine/settings.py", line 39, in __init__ self._settings_serializer.load(settings_file) File "/gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/serializers/simplexml.py", line 132, in load self._validateTree() File "/gnu/store/cyrgvpvh6wi15m4ffcdn3s55jypp8yqk-fifengine-0.4.2/lib/python3.9/site-packages/fife/extensions/serializers/simplexml.py", line 386, in _validateTree for c in self._root_element.getchildren(): AttributeError: 'xml.etree.ElementTree.Element' object has no attribute 'getchildren --- Luis Felipe López Acevedo https://luis-felipe.gitlab.io/