bundlerepo: avoid exception in __del__ when the bundle doesn't exist $ hg -R bundle://foo.hg abort: No such file or directory: foo.hg Exception exceptions.AttributeError: "'bundlerepository' object has no attribute 'bundlefile'" in <bound method bundlerepository.__del__ of <mercurial.bundlerepo.bundlerepository object at 0xa7ab9fac>> ignored