From 3004f33c58590c4b5fc6ce513099969fbfc35bcc Mon Sep 17 00:00:00 2001
From: Greg Becker <becker33@llnl.gov>
Date: Wed, 14 Jul 2021 14:58:31 -0400
Subject: spec may be a string, use precomputed namespace (#24867)

---
 lib/spack/spack/repo.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/spack/spack/repo.py b/lib/spack/spack/repo.py
index 706fe40dd2..ef1d684cad 100644
--- a/lib/spack/spack/repo.py
+++ b/lib/spack/spack/repo.py
@@ -662,7 +662,7 @@ class RepoPath(object):
         if namespace:
             fullspace = get_full_namespace(namespace)
             if fullspace not in self.by_namespace:
-                raise UnknownNamespaceError(spec.namespace)
+                raise UnknownNamespaceError(namespace)
             return self.by_namespace[fullspace]
 
         # If there's no namespace, search in the RepoPath.
-- 
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