ImportError: sys.meta_path is None, Python is likely shutting down

[mtelka]

While testing with Python 3.14.2 I do see these errors:

Exception ignored while calling deallocator <function IOBase.__del__ at 0x7fffaeb99bc0>:
Traceback (most recent call last):
  File "/usr/lib/python3.14/_pyio.py", line 411, in __del__
  File "/usr/lib/python3.14/_pyio.py", line 2701, in _dealloc_warn
  File "/usr/lib/python3.14/_pyio.py", line 861, in _dealloc_warn
  File "/usr/lib/python3.14/_pyio.py", line 1613, in _dealloc_warn
ImportError: sys.meta_path is None, Python is likely shutting down
Exception ignored while calling deallocator <function IOBase.__del__ at 0x7fffaeb99bc0>:
Traceback (most recent call last):
  File "/usr/lib/python3.14/_pyio.py", line 411, in __del__
  File "/usr/lib/python3.14/_pyio.py", line 861, in _dealloc_warn
  File "/usr/lib/python3.14/_pyio.py", line 1613, in _dealloc_warn
ImportError: sys.meta_path is None, Python is likely shutting down
Exception ignored while calling deallocator <function IOBase.__del__ at 0x7fffaeb99bc0>:
Traceback (most recent call last):
  File "/usr/lib/python3.14/_pyio.py", line 411, in __del__
  File "/usr/lib/python3.14/_pyio.py", line 1613, in _dealloc_warn
ImportError: sys.meta_path is None, Python is likely shutting down
Exception ignored while calling deallocator <function IOBase.__del__ at 0x7fffaeb99bc0>:
Traceback (most recent call last):
  File "/usr/lib/python3.14/_pyio.py", line 411, in __del__
  File "/usr/lib/python3.14/_pyio.py", line 861, in _dealloc_warn
  File "/usr/lib/python3.14/_pyio.py", line 1613, in _dealloc_warn
ImportError: sys.meta_path is None, Python is likely shutting down

I do not see this when testing with Python 3.9.25.

[mtelka]

These following three tests causes that:

test_objects.py
test_registered.py
test_selected.py