'Environment' object has no attribute 'get_read_db'

[anonymous]

hi,

after installing 0.12 version in Ubuntu Linux 10.04.1 and enabling it in the admin section, I ran the trac-admin command:

trac-admin /var/local/lib/trac/git-Development upgrade

and I got this reply:

----

Traceback (most recent call last):

File "/usr/lib/python2.6/dist-packages/trac/web/api.py", line 376, in send_error

'text/html')

File "/usr/lib/python2.6/dist-packages/trac/web/chrome.py", line 745, in render_template

stream |= self._filter_stream(req, method, filename, stream, data)

File "/usr/lib/pymodules/python2.6/genshi/core.py", line 128, in or

return Stream(_ensure(function(self)), serializer=self.serializer)

File "/usr/lib/python2.6/dist-packages/trac/web/chrome.py", line 848, in inner

data)

File "/usr/local/lib/python2.6/dist-packages/timingandestimationplugin-1.1.4-py2.6.egg/timingandestimationplugin/tande_filters.py", line 115, in filter_stream

).apply(FilterTransformation(RowFilter(self)))

File "/usr/local/lib/python2.6/dist-packages/timingandestimationplugin-1.1.4-py2.6.egg/timingandestimationplugin/tande_filters.py", line 39, in init

rows = dbhelper.get_all(comp.env, "SELECT id FROM custom_report")[1]

File "/usr/local/lib/python2.6/dist-packages/timingandestimationplugin-1.1.4-py2.6.egg/timingandestimationplugin/dbhelper.py", line 4, in get_all

db = env.get_read_db()

AttributeError: 'Environment' object has no attribute 'get_read_db'

----

Now I can't access TRAC at all, it seems broken

what the ?