From 05b6c96f17faaf52c24980f4af25e03ea1467fd9 Mon Sep 17 00:00:00 2001
From: Anthony Sottile <asottile@umich.edu>
Date: Wed, 19 Oct 2022 10:30:19 -0400
Subject: [PATCH] use module __getattr__ for py.error to fix doctesting

---
 src/_pytest/_py/error.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/_pytest/_py/error.py b/src/_pytest/_py/error.py
index c427ee5f599..1f33c5aadbe 100644
--- a/src/_pytest/_py/error.py
+++ b/src/_pytest/_py/error.py
@@ -5,7 +5,6 @@
 import errno
 import os
 import sys
-from types import ModuleType
 
 
 class Error(EnvironmentError):
@@ -39,7 +38,7 @@ def __str__(self):
 }
 
 
-class ErrorMaker(ModuleType):
+class ErrorMaker:
     """lazily provides Exception classes for each possible POSIX errno
     (as defined per the 'errno' module).  All such instances
     subclass EnvironmentError.
@@ -97,5 +96,8 @@ def checked_call(self, func, *args, **kwargs):
             __tracebackhide__ = True
 
 
-error = ErrorMaker("_pytest._py.error")
-sys.modules[error.__name__] = error
+_error_maker = ErrorMaker()
+
+
+def __getattr__(attr):
+    return getattr(_error_maker, attr)