Hi, the attached patch fixes the build error. There might be issues left for a complete python transition, though.
Roland
--- graphviz-2.26.3/debian/libgv-python.install.orig 2013-05-19 11:14:41.702402839 +0200 +++ graphviz-2.26.3/debian/libgv-python.install 2013-05-19 11:14:46.770404098 +0200 @@ -1,4 +1,3 @@ usr/lib/graphviz/python -usr/lib/graphviz/python26 usr/lib/graphviz/python27 usr/share/man/man3/gv.3python
