SIGN IN SIGN UP

Clean up and enhance frozen dataclass tests. (GH-6380)

* Add a test for frozen with unhashable field value.
* Improve a comment.
E
Eric V. Smith committed
74940913d26d9f94b8572eca794369841fa6d9b6
Parent: 0876505
Committed by GitHub <noreply@github.com> on 4/5/2018, 10:50:18 AM