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Use system-wide installation of graphviz in sage?

I am trying to install pygraphviz in sage 7.3 on a Debian jessy machine, but it already fails at: sage -i graphviz

================================ WARNING =================================
You are about to download and install an unmaintained experimental
package. This probably won't work at all for you! There is no guarantee
that it will build correctly, or behave as expected. Use at your own risk!

This package will be removed in future versions of SageMath. If you care
about this package, you should make a proper new-style package instead.
For more information about making Sage packages, see

I don't want to break sage, so I am wondering if there is a way to make sage use the system-wide installation of pygraphviz instead.