Error importing jax_md

[reubenharry]

Thanks for jax_md, it's great!

Recently, I've encountered the following error, after installing jax_md with pip3 install -e . from main:

>>> import jax_md
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/reubencohn-gordon/jax-md/jax_md/__init__.py", line 27, in <module>
    from jax_md import rigid_body
  File "/Users/reubencohn-gordon/jax-md/jax_md/rigid_body.py", line 661, in <module>
    @dataclasses.dataclass
     ^^^^^^^^^^^^^^^^^^^^^
  File "/Users/reubencohn-gordon/jax-md/jax_md/dataclasses.py", line 41, in dataclass
    data_clz = dataclasses.dataclass(frozen=True)(clz)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/Cellar/python@3.11/3.11.3/Frameworks/Python.framework/Versions/3.11/lib/python3.11/dataclasses.py", line 1213, in wrap
    return _process_class(cls, init, repr, eq, order, unsafe_hash,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/Cellar/python@3.11/3.11.3/Frameworks/Python.framework/Versions/3.11/lib/python3.11/dataclasses.py", line 958, in _process_class
    cls_fields.append(_get_field(cls, name, type, kw_only))
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/Cellar/python@3.11/3.11.3/Frameworks/Python.framework/Versions/3.11/lib/python3.11/dataclasses.py", line 815, in _get_field
    raise ValueError(f'mutable default {type(f.default)} for field '
ValueError: mutable default <class 'jaxlib.xla_extension.ArrayImpl'> for field point_radius is not allowed: use default_factory