After upgrading to version 0.16.2 I get the following error:

.pixi/envs/py311/lib/python3.11/site-packages/quantities/registry.py:82: in getitem
return self.__registry[label]
.pixi/envs/py311/lib/python3.11/site-packages/quantities/registry.py:32: in getitem
tree = ast.parse(string, mode="eval")

source = ' W', filename = '', mode = 'eval'
def parse(source, filename='', mode='exec', *,
type_comments=False, feature_version=None):
"""
Parse the source into an AST node.
Equivalent to compile(source, filename, mode, PyCF_ONLY_AST).
Pass type_comments=True to get back type comments where the syntax allows.
"""
flags = PyCF_ONLY_AST
if type_comments:
flags |= PyCF_TYPE_COMMENTS
if isinstance(feature_version, tuple):
major, minor = feature_version # Should be a 2-tuple.
assert major == 3
feature_version = minor
elif feature_version is None:
feature_version = -1

Else it should be an int giving the minor version for 3.x.

return compile(source, filename, mode, flags,
_feature_version=feature_version)
E File "", line 1
E W
E IndentationError: unexpected indent
.pixi/envs/py311/lib/python3.11/ast.py:50: IndentationError