Notes for networkx - reproducible builds result

Version annotated: 2.5+ds-2
Comments: In python-networkx-doc, many .png files differ significantly. On
visual inspection of two builds of
A frame box appeared to be rotated differently in each image.

Our notes about issues affecting packages are stored in notes.git and are targeted at packages in Debian in 'unstable/amd64' (unless they say otherwise).