--- a/mercurial/bundlecaches.py	Wed Apr 03 15:33:25 2024 +0200
+++ b/mercurial/bundlecaches.py	Tue Apr 09 14:36:01 2024 +0200
@@ -136,7 +136,7 @@
         b'cg.version': b'02',
         b'obsolescence': False,
         b'phases': False,
-        b"stream": "v2",
+        b"stream": b"v2",
         b'tagsfnodescache': False,
         b'revbranchcache': False,
     },
@@ -145,7 +145,7 @@
         b'cg.version': b'03',
         b'obsolescence': False,
         b'phases': False,
-        b"stream": "v3-exp",
+        b"stream": b"v3-exp",
         b'tagsfnodescache': False,
         b'revbranchcache': False,
     },