Hi,
The newly upgraded matplotlib library is causing an issue with pdf
exports of graphs:
sage: g = DiGraph([[1,2]]).plot()
sage: g.save("bla.pdf")
...
.../matplotlib/backends/backend_pdf.pyc in pop(self)
2091
2092 def pop(self):
-> 2093 assert self.parent is not None
2094 self.copy_properties(self.parent)
2095 self.parent = self.parent.parent
AssertionError:
I stumbled upon this when playing with sagetex.
This is most likely related to:
http://stackoverflow.com/questions/13876441/workaround-for-bug-with-displaying-quvier-key-and-patch-in-matplotlib-1-20
Could anyone with matplotlib experience explore the thing and either
find out where we are not calling matplotlib properly, or isolate
a matplotlib-only example of failure that we could report upstream?
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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