Traceback (most recent call last):
  File "/builddir/build/BUILD/python-dill-0.4.0-build/dill-0.4.0/dill/tests/test_threads.py", line 45, in <module>
    test_run_thread()
    ~~~~~~~~~~~~~~~^^
  File "/builddir/build/BUILD/python-dill-0.4.0-build/dill-0.4.0/dill/tests/test_threads.py", line 25, in test_run_thread
    t_ = dill.copy(t)
  File "/builddir/build/BUILD/python-dill-0.4.0-build/BUILDROOT/usr/lib/python3.14/site-packages/dill/_dill.py", line 248, in copy
    return loads(dumps(obj, *args, **kwds), ignore=ignore)
                 ~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/builddir/build/BUILD/python-dill-0.4.0-build/BUILDROOT/usr/lib/python3.14/site-packages/dill/_dill.py", line 288, in dumps
    dump(obj, file, protocol, byref, fmode, recurse, **kwds)#, strictio)
    ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/builddir/build/BUILD/python-dill-0.4.0-build/BUILDROOT/usr/lib/python3.14/site-packages/dill/_dill.py", line 260, in dump
    Pickler(file, protocol, **_kwds).dump(obj)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^
  File "/builddir/build/BUILD/python-dill-0.4.0-build/BUILDROOT/usr/lib/python3.14/site-packages/dill/_dill.py", line 428, in dump
    StockPickler.dump(self, obj)
    ~~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/usr/lib64/python3.14/pickle.py", line 498, in dump
    self.save(obj)
    ~~~~~~~~~^^^^^
  File "/builddir/build/BUILD/python-dill-0.4.0-build/BUILDROOT/usr/lib/python3.14/site-packages/dill/_dill.py", line 422, in save
    StockPickler.save(self, obj, save_persistent_id)
    ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.14/pickle.py", line 615, in save
    self.save_reduce(obj=obj, *rv)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
  File "/usr/lib64/python3.14/pickle.py", line 761, in save_reduce
    save(state)
    ~~~~^^^^^^^
  File "/builddir/build/BUILD/python-dill-0.4.0-build/BUILDROOT/usr/lib/python3.14/site-packages/dill/_dill.py", line 422, in save
    StockPickler.save(self, obj, save_persistent_id)
    ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.14/pickle.py", line 572, in save
    f(self, obj)  # Call unbound method with explicit self
    ~^^^^^^^^^^^
  File "/builddir/build/BUILD/python-dill-0.4.0-build/BUILDROOT/usr/lib/python3.14/site-packages/dill/_dill.py", line 1262, in save_module_dict
    StockPickler.save_dict(pickler, obj)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
  File "/usr/lib64/python3.14/pickle.py", line 1064, in save_dict
    self._batch_setitems(obj.items(), obj)
    ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.14/pickle.py", line 1090, in _batch_setitems
    save(v)
    ~~~~^^^
  File "/builddir/build/BUILD/python-dill-0.4.0-build/BUILDROOT/usr/lib/python3.14/site-packages/dill/_dill.py", line 422, in save
    StockPickler.save(self, obj, save_persistent_id)
    ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.14/pickle.py", line 590, in save
    rv = reduce(self.proto)
TypeError: cannot pickle '_contextvars.Context' object
when serializing dict item '_context'
when serializing threading.Thread state
when serializing threading.Thread object
F.