⚠️ Nightly upstream-dev CI failed ⚠️ #7306

../../../micromamba-root/envs/xarray-tests/lib/python3.10/importlib/__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
<frozen importlib._bootstrap>:1050: in _gcd_import
    ???
<frozen importlib._bootstrap>:1027: in _find_and_load
    ???
<frozen importlib._bootstrap>:992: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:241: in _call_with_frames_removed
    ???
<frozen importlib._bootstrap>:1050: in _gcd_import
    ???
<frozen importlib._bootstrap>:1027: in _find_and_load
    ???
<frozen importlib._bootstrap>:1006: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:688: in _load_unlocked
    ???
<frozen importlib._bootstrap_external>:883: in exec_module
    ???
<frozen importlib._bootstrap>:241: in _call_with_frames_removed
    ???
xarray/tests/__init__.py:78: in <module>
    has_numbagg, requires_numbagg = _importorskip("numbagg")
xarray/tests/__init__.py:51: in _importorskip
    mod = importlib.import_module(modname)
../../../micromamba-root/envs/xarray-tests/lib/python3.10/importlib/__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
<frozen importlib._bootstrap>:1050: in _gcd_import
    ???
<frozen importlib._bootstrap>:1027: in _find_and_load
    ???
<frozen importlib._bootstrap>:1006: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:688: in _load_unlocked
    ???
<frozen importlib._bootstrap_external>:883: in exec_module
    ???
<frozen importlib._bootstrap>:241: in _call_with_frames_removed
    ???
../../../micromamba-root/envs/xarray-tests/lib/python3.10/site-packages/numbagg/__init__.py:3: in <module>
    from .funcs import (
../../../micromamba-root/envs/xarray-tests/lib/python3.10/site-packages/numbagg/funcs.py:2: in <module>
    from numba import bool_, float32, float64, int32, int64
../../../micromamba-root/envs/xarray-tests/lib/python3.10/site-packages/numba/__init__.py:42: in <module>
    from numba.np.ufunc import (vectorize, guvectorize, threading_layer,
../../../micromamba-root/envs/xarray-tests/lib/python3.10/site-packages/numba/np/ufunc/__init__.py:3: in <module>
    from numba.np.ufunc.decorators import Vectorize, GUVectorize, vectorize, guvectorize
../../../micromamba-root/envs/xarray-tests/lib/python3.10/site-packages/numba/np/ufunc/decorators.py:3: in <module>
    from numba.np.ufunc import _internal
E   SystemError: initialization of _internal failed without raising an exception