Bug#1056517: qutip's autopkg tests fail with Python 3.12

[Matthias Klose]

Package: src:qutip
Version: 4.7.1-2
Severity: important
Tags: sid trixie
User: debian-python at lists.debian.org
Usertags: python3.12

qutip's autopkg tests fail with Python 3.12:

[...]
302s autopkgtest [19:06:07]: test test-qutip: [-----------------------
303s Testing with python3.12:
303s Traceback (most recent call last):
303s   File "<string>", line 1, in <module>
303s   File "/usr/lib/python3/dist-packages/qutip/__init__.py", line 64, 
in <module>
303s     import qutip.cy.pyxbuilder as _pyxbuilder
303s   File "/usr/lib/python3/dist-packages/qutip/cy/pyxbuilder.py", 
line 15, in <module>
303s     import pyximport
303s   File "/usr/lib/python3/dist-packages/pyximport/__init__.py", line 
1, in <module>
303s     from .pyximport import *
303s   File "/usr/lib/python3/dist-packages/pyximport/pyximport.py", 
line 51, in <module>
303s     import imp
303s ModuleNotFoundError: No module named 'imp'
303s autopkgtest [19:06:08]: test test-qutip: -----------------------]
303s autopkgtest [19:06:08]: test test-qutip:  - - - - - - - - - - 
results - - - - - - - - - -
303s test-qutip           FAIL non-zero exit status 1
304s autopkgtest [19:06:09]: test test-qutip:  - - - - - - - - - - 
stderr - - - - - - - - - -
304s Traceback (most recent call last):
304s   File "<string>", line 1, in <module>
304s   File "/usr/lib/python3/dist-packages/qutip/__init__.py", line 64, 
in <module>
304s     import qutip.cy.pyxbuilder as _pyxbuilder
304s   File "/usr/lib/python3/dist-packages/qutip/cy/pyxbuilder.py", 
line 15, in <module>
304s     import pyximport
304s   File "/usr/lib/python3/dist-packages/pyximport/__init__.py", line 
1, in <module>
304s     from .pyximport import *
304s   File "/usr/lib/python3/dist-packages/pyximport/pyximport.py", 
line 51, in <module>
304s     import imp
304s ModuleNotFoundError: No module named 'imp'