Release 0.1.8

PiperOrigin-RevId: 496186639

Release 0.1.7

Closes #81.

PiperOrigin-RevId: 440818507

Release 0.1.6

PiperOrigin-RevId: 367975868

Release 0.1.5

PiperOrigin-RevId: 309370505
Change-Id: I3d63d473c65905c76fc7efa393d488fa8816cb52

Release 0.1.4

PiperOrigin-RevId: 303368306
Change-Id: Ib7da895338c4efd9ce15436e324e535a6811888a

Released 0.1.3 which fixed an ImportError due to wrapt missing

ImportError is caused by a bug in an older pybind11 version which does
not allow exception subclasses in error_already_set::matches.
See pybind/pybind11#1715.

PiperOrigin-RevId: 292511528
Change-Id: I494fd029728b304ab1add94713e01544c20db6fe

Release 0.1.2

This should fix google-deepmind/sonnet#156.

PiperOrigin-RevId: 292111439
Change-Id: I071294be508d61ce0faecc3198d0f41baf8f949a

Release 0.1.1

PiperOrigin-RevId: 279088703
Change-Id: I16aadc2b9ee4d5496341d58406ff3107e07266b6

Temporarily removed references to @attr.s from the docs

It is not clear whether tree should map through @attr.s/@dataclass-decorated
classes, which are strictly speaking non-iterable (unlike namedtuple).

PiperOrigin-RevId: 278631528
Change-Id: Ie685567f8b8058df55a17cdf6ea718f84651eb1e