[3.11] io: Add missing f (#96701)

Lib/io.py

@@ -70,7 +70,7 @@ def __getattr__(name):
         global OpenWrapper
         OpenWrapper = open
         return OpenWrapper
-    raise AttributeError("module {__name__!r} has no attribute {name!r}")
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
 
 
 # Pretend this exception was created here.

Misc/NEWS.d/next/Library/2022-09-08-23-23-24.gh-issue-96700.J0MQGK.rst

+Fix incorrect error message in the :mod:`io` module.