Issue #2337 duplicate

TortoiseHg Workbench stalls while "Finding outgoing changesets ..."

Anonymous created an issue
** Mercurial version (2.2.2).  TortoiseHg version (2.4.1)
** Command: 
** CWD: C:\ProgramData\Microsoft\Windows\Start Menu\Programs\TortoiseHg
** Encoding: cp1252
** Extensions loaded: fetch, gestalt, kilnauth, kilnpath, big-push, kiln, caseguard, kbfiles
** Python version: 2.6.6 (r266:84297, Aug 24 2010, 18:13:38) [MSC v.1500 64 bit (AMD64)]
** Windows version: (6, 1, 7601, 2, 'Service Pack 1')
** Processor architecture: x64
** Qt-4.7.4 PyQt-4.8.6
Traceback (most recent call last):
  File "tortoisehg\hgqt\workbench.pyo", line 815, in forwarder
  File "tortoisehg\hgqt\repowidget.pyo", line 1066, in outgoing
  File "tortoisehg\hgqt\sync.pyo", line 845, in outgoing
  File "tortoisehg\hgqt\sync.pyo", line 981, in outclicked
  File "tortoisehg\hgqt\sync.pyo", line 774, in run
TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'