commit 8efa32888b6ab1b8420a4883167b68824faba4cc
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Sat Feb 23 17:53:28 2019 -0800
committer GitHub <noreply@github.com> Sat Feb 23 17:53:28 2019 -0800
tree 399028bfc16abf775cfbdc8fc9c2bdbcee4a8549
parent 6163210089148ad31c270695f7273fc3561a211a

fix _abc.c compile error on Cygwin (GH-8445)

(cherry picked from commit abe5922743f62e130c4dad2f637274c38d6b1e8b)

Co-authored-by: E. M. Bray <erik.m.bray@gmail.com>

Modules/_abc.c

diff --git a/Modules/_abc.c b/Modules/_abc.c
index 36c1757..1fbf3a8 100644
--- a/Modules/_abc.c
+++ b/Modules/_abc.c
@@ -66,7 +66,7 @@
 "Internal state held by ABC machinery.");
 
 static PyTypeObject _abc_data_type = {
-    PyVarObject_HEAD_INIT(&PyType_Type, 0)
+    PyVarObject_HEAD_INIT(NULL, 0)
     "_abc_data",                        /*tp_name*/
     sizeof(_abc_data),                  /*tp_basicsize*/
     .tp_dealloc = (destructor)abc_data_dealloc,