Result of installing graphviz 0.13 in Trac 0.12.2
2011-09-14 16:27:47,452 Trac[loader] ERROR: Skipping "graphviz = graphviz":
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/trac/loader.py", line 68, in _load_eggs
entry.load(require=True)
File "/usr/lib64/python2.7/site-packages/pkg_resources.py", line 1992, in load
entry = __import__(self.module_name, globals(),globals(), ['__name__'])
File "/usr/lib64/python2.7/site-packages/graphviz-0.13.0.6-py2.7.egg/graphviz/__init__.py", line 17, in <module>
from graphviz import *
File "/usr/lib64/python2.7/site-packages/graphviz-0.13.0.6-py2.7.egg/graphviz/graphviz.py", line 33, in <module>
from trac.util.html import escape, find_element
ImportError: cannot import name find_element