#7847 KeyError in LastCommit building
Seeing quite a few 500 errors of this form. Different repos, but KeyError from a string in the requested repo path.
PATH_INFO: '/p/tack/tack/ci/release-6-0-pre-3/tree/mach/6500/libend/'
File '/var/local/allura/Allura/allura/templates/widgets/repo/tree_widget.html', line 21 in top-level template code
{% set ls = list(tree.ls()) %}
File '/var/local/env-allura/lib/python2.7/site-packages/TimerMiddleware-0.4.4-py2.7.egg/timermiddleware/__init__.py', line 117 in wrapper
return self.run_and_log(func, inst, *args, **kwargs)
File '/var/local/env-allura/lib/python2.7/site-packages/TimerMiddleware-0.4.4-py2.7.egg/timermiddleware/__init__.py', line 126 in run_and_log
return func(*args, **kwargs)
File '/var/local/allura/Allura/allura/model/repository.py', line 1337 in ls
last_commit = LastCommit.get(self)
File '/var/local/env-allura/lib/python2.7/site-packages/TimerMiddleware-0.4.4-py2.7.egg/timermiddleware/__init__.py', line 117 in wrapper
return self.run_and_log(func, inst, *args, **kwargs)
File '/var/local/env-allura/lib/python2.7/site-packages/TimerMiddleware-0.4.4-py2.7.egg/timermiddleware/__init__.py', line 126 in run_and_log
return func(*args, **kwargs)
File '/var/local/allura/Allura/allura/model/repository.py', line 1529 in get
lcd = cls._build(commit.get_path(path))
File '/var/local/env-allura/lib/python2.7/site-packages/TimerMiddleware-0.4.4-py2.7.egg/timermiddleware/__init__.py', line 117 in wrapper
return self.run_and_log(func, inst, *args, **kwargs)
File '/var/local/env-allura/lib/python2.7/site-packages/TimerMiddleware-0.4.4-py2.7.egg/timermiddleware/__init__.py', line 126 in run_and_log
return func(*args, **kwargs)
File '/var/local/allura/Allura/allura/model/repository.py', line 1160 in get_path
cur = cur[part]
File '/var/local/env-allura/lib/python2.7/site-packages/TimerMiddleware-0.4.4-py2.7.egg/timermiddleware/__init__.py', line 117 in wrapper
return self.run_and_log(func, inst, *args, **kwargs)
File '/var/local/env-allura/lib/python2.7/site-packages/TimerMiddleware-0.4.4-py2.7.egg/timermiddleware/__init__.py', line 126 in run_and_log
return func(*args, **kwargs)
File '/var/local/allura/Allura/allura/model/repository.py', line 1279 in __getitem__
obj = self.by_name[name]
KeyError: u'mach'