Trac detected an internal error: TypeError: 'NoneType' object is not iterable

[w.frasson@…]

How to Reproduce

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

System Information

bit (Intel)]`

Trac	0.11b1
Python	`2.5 (r25:51908, Sep 19 2006, 09:52:17) [MSC v.1310 32
setuptools	0.6c7
SQLite	3.5.2
pysqlite	2.4.0
Genshi	0.5dev-r789
Pygments	0.9
Subversion	1.4.6 (r28521)

Python Traceback

Traceback (most recent call last):
  File "C:\Python25\Lib\site-packages\trac\web\main.py", line 398, in
_dispatch_request
    dispatcher.dispatch(req)
  File "C:\Python25\Lib\site-packages\trac\web\main.py", line 195, in
dispatch
    resp = chosen_handler.process_request(req)
  File "build\bdist.win32\egg\timingandestimationplugin\webui.py", line
99, in process_request
    self.set_request_billing_dates(data)
  File "build\bdist.win32\egg\timingandestimationplugin\webui.py", line
68, in set_request_billing_dates
    for (value, text) in rs.rows:
TypeError: 'NoneType' object is not iterable

[Russ Tyndall]

Working on this, expect a fix soon

[Russ Tyndall]

(In [3119]) closes #2438

Replaced dbhelper with a version of that file that maintains its own connections (via an env var set during environment setup)