remove six completely

[a-detiste]

Hi,

Can these files be modified to remove six completely ?

I would provide a MR

pyproject.toml:    "six >= 1.16.0",
debian/control: python3-six,
tests/oldcodebase/BmapCopy2_6.py:from six import reraise
tests/oldcodebase/BmapCopy2_6.py:from six.moves import queue as Queue
tests/oldcodebase/BmapCopy2_6.py:from six.moves import _thread as thread
tests/oldcodebase/BmapCopy2_1.py:from six import reraise
tests/oldcodebase/BmapCopy2_1.py:from six.moves import queue as Queue
tests/oldcodebase/BmapCopy2_1.py:from six.moves import _thread as thread
tests/oldcodebase/BmapCopy2_2.py:from six import reraise
tests/oldcodebase/BmapCopy2_2.py:from six.moves import queue as Queue
tests/oldcodebase/BmapCopy2_2.py:from six.moves import _thread as thread
tests/oldcodebase/BmapCopy2_0.py:from six import reraise
tests/oldcodebase/BmapCopy2_0.py:from six.moves import queue as Queue
tests/oldcodebase/BmapCopy2_0.py:from six.moves import _thread as thread
tests/oldcodebase/BmapCopy3_0.py:from six import reraise
tests/oldcodebase/BmapCopy3_0.py:from six.moves import queue as Queue
tests/oldcodebase/BmapCopy3_0.py:from six.moves import _thread as thread
tests/oldcodebase/BmapCopy2_3.py:from six import reraise
tests/oldcodebase/BmapCopy2_3.py:from six.moves import queue as Queue
tests/oldcodebase/BmapCopy2_3.py:from six.moves import _thread as thread
tests/oldcodebase/BmapCopy1_0.py:from six import reraise
tests/oldcodebase/BmapCopy1_0.py:from six.moves import queue as Queue
tests/oldcodebase/BmapCopy1_0.py:from six.moves import _thread as thread
tests/oldcodebase/BmapCopy2_4.py:from six import reraise
tests/oldcodebase/BmapCopy2_4.py:from six.moves import queue as Queue
tests/oldcodebase/BmapCopy2_4.py:from six.moves import _thread as thread
tests/oldcodebase/BmapCopy2_5.py:from six import reraise
tests/oldcodebase/BmapCopy2_5.py:from six.moves import queue as Queue
tests/oldcodebase/BmapCopy2_5.py:from six.moves import _thread as thread