gh-94169: Remove deprecated io.OpenWrapper (#94170)

Remove io.OpenWrapper and _pyio.OpenWrapper, deprecated in Python
3.10: just use :func:`open` instead. The open() (io.open()) function
is a built-in function. Since Python 3.10, _pyio.open() is also a
static method.

1 files changed, 0 insertions, 16 deletions

diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index 0bfdeaa..1251078 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -303,22 +303,6 @@ except AttributeError:
     open_code = _open_code_with_warning
 
 
-def __getattr__(name):
-    if name == "OpenWrapper":
-        # bpo-43680: Until Python 3.9, _pyio.open was not a static method and
-        # builtins.open was set to OpenWrapper to not become a bound method
-        # when set to a class variable. _io.open is a built-in function whereas
-        # _pyio.open is a Python function. In Python 3.10, _pyio.open() is now
-        # a static method, and builtins.open() is now io.open().
-        import warnings
-        warnings.warn('OpenWrapper is deprecated, use open instead',
-                      DeprecationWarning, stacklevel=2)
-        global OpenWrapper
-        OpenWrapper = open
-        return OpenWrapper
-    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
-
-
 # In normal operation, both `UnsupportedOperation`s should be bound to the
 # same object.
 try: