AttributeError: 'NoneType' object has no attribute 'youngest_rev'

[Yegor]

How to Reproduce

While doing a GET operation on /peerReviewBrowser, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'path': '/'}

User agent: #USER_AGENT#

System Information

Trac	0.12.3
Trac	0.12.3
Agilo	0.9.7
Babel	0.9.6
Docutils	0.8.1
Genshi	0.6
mod_wsgi	3.3 (WSGIProcessGroup traclocal WSGIApplicationGroup %{GLOBAL})
Pygments	1.4
pysqlite	2.6.0
Python	2.7.3 (default, Sep 26 2013, 20:13:52) [GCC 4.6.3]
Python	2.7.3 (default, Sep 26 2013, 20:13:52) [GCC 4.6.3]
RPC	1.1.2
setuptools	0.6
setuptools	0.6
SQLite	3.7.9
Subversion	1.8.3 (r1516576)
jQuery	#JQUERY#

Enabled Plugins

agilo	0.9.7
TracCodeReview	2.1-toddlerdev
TracXMLRPC	1.1.2
TracXPDev	1.0

Python Traceback

Traceback (most recent call last):
  File "/opt/trac/current/lib/python2.7/site-packages/Trac-0.12.3-py2.7.egg/trac/web/main.py", line 522, in _dispatch_request
    dispatcher.dispatch(req)
  File "/opt/trac/current/lib/python2.7/site-packages/Trac-0.12.3-py2.7.egg/trac/web/main.py", line 243, in dispatch
    resp = chosen_handler.process_request(req)
  File "build/bdist.linux-x86_64/egg/codereview/peerReviewBrowser.py", line 96, in process_request
    rev = repos.youngest_rev
AttributeError: 'NoneType' object has no attribute 'youngest_rev'

[Jun Omae]

A duplicate of #7034. Please upgrade to the latest.