** Description changed: Using the following test file, and running python3 test.py, the program raises an error. However program exits with no output as expected on x86_64 and aarch64 ``` # test.py #!/usr/bin/env python3 import pygraphviz graph = pygraphviz.AGraph() graph.add_node('foo') graph.add_node('bar') graph.add_edge('foo', 'bar') ``` Error seen ``` Traceback (most recent call last): - File "/usr/lib/python3/dist-packages/pygraphviz/agraph.py", line 1561, in __new__ - nh = gv.agnode(graph.handle, n.encode(graph.encoding), _Action.find) + File "/usr/lib/python3/dist-packages/pygraphviz/agraph.py", line 1561, in __new__ + nh = gv.agnode(graph.handle, n.encode(graph.encoding), _Action.find) KeyError: 'agnode: no key' During handling of the above exception, another exception occurred: Traceback (most recent call last): - File "test.py", line 8, in <module> - graph.add_edge('foo', 'bar') - File "/usr/lib/python3/dist-packages/pygraphviz/agraph.py", line 478, in add_edge - e = Edge(self, eh=eh) - File "/usr/lib/python3/dist-packages/pygraphviz/agraph.py", line 1625, in __new__ - s = Node(graph, nh=source) - File "/usr/lib/python3/dist-packages/pygraphviz/agraph.py", line 1563, in __new__ - raise KeyError("Node %s not in graph." % n) + File "test.py", line 8, in <module> + graph.add_edge('foo', 'bar') + File "/usr/lib/python3/dist-packages/pygraphviz/agraph.py", line 478, in add_edge + e = Edge(self, eh=eh) + File "/usr/lib/python3/dist-packages/pygraphviz/agraph.py", line 1625, in __new__ + s = Node(graph, nh=source) + File "/usr/lib/python3/dist-packages/pygraphviz/agraph.py", line 1563, in __new__ + raise KeyError("Node %s not in graph." % n) KeyError: 'Node None not in graph.' ``` If I upgrade to 1.5 via pip after installing the apt dependency libgraphviz-dev, this same snippet works on all of these platforms. It also works if I install pygraphviz 1.4rc1 from pip. Also, it seems to work with the debian package python3-pygraphviz 1.4 from cosmic. As far as I can tell, there are no differences between the cosmic and the bionic packages, other than it was rebuilt for Python 3.7. Here's a summary: - OS pygraphviz version Installed from debian or pip Example Works? - Bionic 1.4~rc1 Debian No - Cosmic 1.4~rc1 Debian Yes - Disco 1.5 Debian Yes - Bionic 1.4~rc1 pip Yes - Bionic 1.5 pip Yes + Bionic 1.4~rc1 Debian Broken + Cosmic 1.4~rc1 Debian Works + Disco 1.5 Debian Works + Bionic 1.4~rc1 pip Works + Bionic 1.5 pip Works And one more data point; if I pull down the debian sources (apt-get source python3-pygraphviz ; apt-get build-dep python3-pygraphviz), build with no modifications (debuild -uc -us), and then install (dpkg -i python3-pygraphviz_1.4~rc1-1build2_armhf.deb), it works just fine. From all of this, I can only conclude that the Ubuntu Bionic armhf debian package is somehow corrupt. Perhaps a rebuild of the package would solve the problem. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: python3-pygraphviz 1.4~rc1-1build2 ProcVersionSignature: Ubuntu 4.15.0-1041.43-aws 4.15.18 Uname: Linux 4.15.0-1041-aws aarch64 ApportVersion: 2.20.9-0ubuntu7.6 Architecture: armhf Date: Wed Jun 26 22:23:47 2019 ProcEnviron: - TERM=xterm - PATH=(custom, no user) - LANG=en_US.UTF-8 + TERM=xterm + PATH=(custom, no user) + LANG=en_US.UTF-8 SourcePackage: python-pygraphviz UpgradeStatus: No upgrade log present (probably fresh install)
** Summary changed: - armhf python3-pygraphviz package errors for simple use case + armhf Bionic python3-pygraphviz package errors for simple use case -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1834379 Title: armhf Bionic python3-pygraphviz package errors for simple use case To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-pygraphviz/+bug/1834379/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs