--- a/mercurial/localrepo.py+++ b/mercurial/localrepo.py@@ -55,7 +55,7 @@ class localrepository(object): for k, v in args.items(): k = k.upper() old[k] = os.environ.get(k, None)- os.environ[k] = v+ os.environ[k] = str(v) try: # Hooks run in the repository root