bpo-36896: Clarify that some types constructors are unstable (GH-13271)

Carreau · encukou · commit 13136e83a637 · 2019-06-03T02:43:21.000+02:00
diff --git a/Doc/library/types.rst b/Doc/library/types.rst
@@ -98,6 +98,9 @@ the types that arise only incidentally during processing such as the
 Typical use of these names is for :func:`isinstance` or
 :func:`issubclass` checks.
 
+
+If you instantiate any of these types, note that signatures may vary between Python versions.
+
 Standard names are defined for the following types:
 
 .. data:: FunctionType
diff --git a/Misc/NEWS.d/next/Documentation/2019-05-31-10-46-36.bpo-36896.wkXTW9.rst b/Misc/NEWS.d/next/Documentation/2019-05-31-10-46-36.bpo-36896.wkXTW9.rst
@@ -0,0 +1,2 @@
+Clarify that some types have unstable constructor signature between Python
+versions.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+Clarify that some types have unstable constructor signature between Python`
	`2`	`+versions.`