PEP 647: comment about backwards-compatibility (#1813)

2021-02-12 17:19:16 -05:00 · 2021-02-12 17:19:16 -05:00 · d0a76d4ffc
parent b51b797708
commit d0a76d4ffc
1 changed files with 4 additions and 0 deletions
--- a/pep-0647.rst
+++ b/pep-0647.rst
@ -236,6 +236,10 @@ Backwards Compatibility
 =======================
 Existing code that does not use this new functionality will be unaffected.

+Notably, code which uses annotations in a manner incompatible with the
+stdlib typing library should simply not import TypeGuard.
+
+
 Reference Implementation
 ========================