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

[massimo.b@…]

Updated to trac-1.2, AccountManagerPlugin r16171, WatchListPlugin r16171. This fixed bug #12715 but runs into this one:

 Trac detected an internal error:

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


Python Traceback
Most recent call last:

File "/usr/lib64/python2.7/site-packages/trac/web/main.py", line 613, in _dispatch_request
  dispatcher.dispatch(req)
File "/usr/lib64/python2.7/site-packages/trac/web/main.py", line 263, in dispatch
  self._post_process_request(req, *resp)
File "/usr/lib64/python2.7/site-packages/trac/web/main.py", line 444, in _post_process_request
  resp = f.post_process_request(req, *resp[:-1])
File "build/bdist.linux-x86_64/egg/tracwatchlist/plugin.py", line 692, in post_process_request
  if self.is_watching(realm, resid, user):
File "build/bdist.linux-x86_64/egg/tracwatchlist/plugin.py", line 254, in is_watching
  db = db or self.env.get_db_cnx()