https://github.com/python/cpython/commit/5da8cfb838fa1bf3529c085c6dce1adf3d1... commit: 5da8cfb838fa1bf3529c085c6dce1adf3d1eaf62 branch: master author: Eric V. Smith <ericvsmith@users.noreply.github.com> committer: GitHub <noreply@github.com> date: 2018-03-01T08:01:41-05:00 summary: Fixed incorrect default value for dataclass unsafe_hash. (GH-5949) files: M Lib/dataclasses.py diff --git a/Lib/dataclasses.py b/Lib/dataclasses.py index 54478fec93df..b55a497db302 100644 --- a/Lib/dataclasses.py +++ b/Lib/dataclasses.py @@ -745,7 +745,7 @@ def _process_class(cls, repr, eq, order, unsafe_hash, init, frozen): # underscore. The presence of _cls is used to detect if this # decorator is being called with parameters or not. def dataclass(_cls=None, *, init=True, repr=True, eq=True, order=False, - unsafe_hash=None, frozen=False): + unsafe_hash=False, frozen=False): """Returns the same class as was passed in, with dunder methods added based on the fields defined in the class. @@ -880,7 +880,7 @@ def _astuple_inner(obj, tuple_factory): def make_dataclass(cls_name, fields, *, bases=(), namespace=None, init=True, - repr=True, eq=True, order=False, unsafe_hash=None, + repr=True, eq=True, order=False, unsafe_hash=False, frozen=False): """Return a new dynamically created dataclass.