diff -r 142a76127e3a -r 2b76255a4f74 mercurial/templater.py
--- a/mercurial/templater.py	Thu Aug 19 18:04:14 2021 +0200
+++ b/mercurial/templater.py	Thu Aug 19 17:46:46 2021 +0200
@@ -71,7 +71,10 @@
 import os
 
 from .i18n import _
-from .pycompat import getattr
+from .pycompat import (
+    FileNotFoundError,
+    getattr,
+)
 from . import (
     config,
     encoding,
@@ -856,7 +859,7 @@
                     subresource = resourceutil.open_resource(
                         b'mercurial.templates', rel
                     )
-                except resourceutil.FileNotFoundError:
+                except FileNotFoundError:
                     subresource = None
             else:
                 dir = templatedir()