commit 7297d74251de3b1c02dcdb9ca281461cc7fb4535
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Thu Jun 17 03:19:44 2021 -0700
committer GitHub <noreply@github.com> Thu Jun 17 11:19:44 2021 +0100
tree 1f5e034feafd8006b0eb5f73b618a5da3e974274
parent 08f2b9dedea13d2e9d11c189914387db3a66e2ca

bpo-43908: Make heap types converted during 3.10 alpha immutable (GH-26351) (GH-26766)

* Make functools types immutable

* Multibyte codec types are now immutable

* pyexpat.xmlparser is now immutable

* array.arrayiterator is now immutable

* _thread types are now immutable

* _csv types are now immutable

* _queue.SimpleQueue is now immutable

* mmap.mmap is now immutable

* unicodedata.UCD is now immutable

* sqlite3 types are now immutable

* _lsprof.Profiler is now immutable

* _overlapped.Overlapped is now immutable

* _operator types are now immutable

* winapi__overlapped.Overlapped is now immutable

* _lzma types are now immutable

* _bz2 types are now immutable

* _dbm.dbm and _gdbm.gdbm are now immutable
(cherry picked from commit 00710e6346fd2394aa020b2dfae170093effac98)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

Modules/_gdbmmodule.c

diff --git a/Modules/_gdbmmodule.c b/Modules/_gdbmmodule.c
index 4fcf93a..6ca3ed6 100644
--- a/Modules/_gdbmmodule.c
+++ b/Modules/_gdbmmodule.c
@@ -581,7 +581,7 @@ static PyType_Spec gdbmtype_spec = {
     // which prevents to create a subclass.
     // So calling PyType_GetModuleState() in this file is always safe.
     .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION |
-              Py_TPFLAGS_HAVE_GC),
+              Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_IMMUTABLETYPE),
     .slots = gdbmtype_spec_slots,
 };