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| -rw-r--r-- | Doc/whatsnew/3.4.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst index 5644966..0630e70 100644 --- a/Doc/whatsnew/3.4.rst +++ b/Doc/whatsnew/3.4.rst @@ -2436,6 +2436,13 @@ Changes in the Python API have things that look like doctests in them you may see test failures you've never seen before when running your tests (:issue:`3158`). +* The :mod:`collections.abc` module has been slightly refactored as + part of the Python startup improvements. As a consequence of this, it is no + longer the case that importing :mod:`collections` automatically imports + :mod:`collections.abc`. If your program depended on the (undocumented) + implicit import, you will need to add an explicit ``import collections.abc`` + (:issue:`20784`). + Changes in the C API -------------------- |