$ python3
Python 3.9.12 (main, Apr 5 2022, 06:56:58)
[GCC 7.5.0] :: Anaconda, Inc. on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import xvec as axv
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/edzer/anaconda3/lib/python3.9/site-packages/xvec/__init__.py", line 3, in <module>
from .accessor import XvecAccessor # noqa
File "/home/edzer/anaconda3/lib/python3.9/site-packages/xvec/accessor.py", line 15, in <module>
class XvecAccessor:
File "/home/edzer/anaconda3/lib/python3.9/site-packages/xvec/accessor.py", line 205, in XvecAccessor
variable_crs: Mapping[Any, Any] | None = None,
TypeError: unsupported operand type(s) for |: '_GenericAlias' and 'NoneType'
Installed with pip from GH, running gives