bzr shelf show exception.

[Blake Winton]

V:\Personal\bzr>bzr shelf list
Patches on shelf 'default': None

V:\Personal\bzr>bzr shelf show
bzr: ERROR: exceptions.TypeError: coercing to Unicode: need string or 
buffer, NoneType found

Traceback (most recent call last):
   File "bzrlib\commands.pyc", line 729, in run_bzr_catch_errors
   File "bzrlib\commands.pyc", line 691, in run_bzr
   File "bzrlib\commands.pyc", line 389, in run_argv_aliases
   File "C:\Program Files\Bazaar\Plugins\bzrtools\__init__.py", line 
329, in run
   File "bzrlib\commands.pyc", line 389, in run_argv_aliases
   File "C:\Program Files\Bazaar\Plugins\bzrtools\__init__.py", line 
300, in run
   File "C:\Program Files\Bazaar\Plugins\bzrtools\shelf.py", line 65, in 
display
TypeError: coercing to Unicode: need string or buffer, NoneType found

bzr 0.18.0 on python 2.5.0.final.0 (win32)
arguments: ['bzr', 'shelf', 'show']

** please send this report to bazaar at lists.ubuntu.com

(Yes, I was trying to show the null patch.  :)

Later,
Blake.