chore: remove exception raising for backword compatibility

Author: mokurin000

Lib/locale.py

@@ -557,8 +557,6 @@ def getdefaultlocale(envvars=('LC_ALL', 'LC_CTYPE', 'LANG', 'LANGUAGE')):
         1766.  code and encoding can be None in case the values cannot
         be determined.
 
-        On Windows, raise a `WindowsError` if retrieving the locale fails.
-
     """
 
     return _getdefaultlocale(envvars)
@@ -571,9 +569,6 @@ def _getdefaultlocale(envvars=('LC_ALL', 'LC_CTYPE', 'LANG', 'LANGUAGE')):
         code, encoding = _locale._getdefaultlocale()
     except (ImportError, AttributeError):
         pass
-    except OSError as e:
-        if sys.platform == "win32" and isinstance(e, WindowsError):
-            raise
     else:
         # add other platform-specific processing here, if
         # necessary...

Modules/_localemodule.c

@@ -556,8 +556,8 @@ _locale__getdefaultlocale_impl(PyObject *module)
     }
 
     /* cannot determine the language code (very unlikely) */
-    /* if any of GetLocaleInfoA above failed */
-    return PyErr_SetFromWindowsErr(0);
+    Py_INCREF(Py_None);
+    return Py_BuildValue("Os", Py_None, encoding);
 }
 #endif