Bug#1025180: qiskit-aer: (autopkgtest) needs update for python3.11: No module named 'qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'

[Paul Gevers]

Source: qiskit-aer
Version: 0.4.1-2
Severity: serious
Tags: sid bookworm
User: debian-ci at lists.debian.org
Usertags: needs-update
User: debian-python at lists.debian.org
Usertags: python3.11
Control: affects -1 src:python3-defaults

Dear maintainer(s),

We are in the transition of adding python3.11 as a supported Python 
version [0]. With a recent upload of python3-defaults the autopkgtest of 
qiskit-aer fails in testing when that autopkgtest is run with the binary 
packages of python3-defaults from unstable. It passes when run with only 
packages from testing. In tabular form:

                        pass            fail
python3-defaults       from testing    3.10.6-3
qiskit-aer             from testing    0.4.1-2
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration of python3-defaults 
to testing [1]. https://docs.python.org/3/whatsnew/3.11.html lists 
what's new in Python3.11, it may help to identify what needs to be updated.

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[0] https://bugs.debian.org/1021984
[1] https://qa.debian.org/excuses.php?package=python3-defaults

https://ci.debian.net/data/autopkgtest/testing/amd64/q/qiskit-aer/28796434/log.gz

Testing with python3.11:
/usr/lib/python3/dist-packages/qiskit/validation/fields/custom.py:76: 
DeprecationWarning: `np.float` is a deprecated alias for the builtin 
`float`. To silence this warning, use `float` by itself. Doing this will 
not modify any behavior and is safe. If you specifically wanted the 
numpy scalar type, use `np.float64` here.
Deprecated in NumPy 1.20; for more details and guidance: 
https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations
   numpy.integer, numpy.float,
/usr/lib/python3/dist-packages/qiskit/__init__.py:53: RuntimeWarning: 
Could not import the Aer provider from the qiskit-aer package. Install 
qiskit-aer or check your installation.
   warnings.warn('Could not import the Aer provider from the qiskit-aer '
/usr/lib/python3/dist-packages/qiskit/__init__.py:60: RuntimeWarning: 
Could not import the IBMQ provider from the qiskit-ibmq-provider 
package. Install qiskit-ibmq-provider or check your installation.
   warnings.warn('Could not import the IBMQ provider from the '
Traceback (most recent call last):
   File "<string>", line 1, in <module>
   File "/usr/lib/python3/dist-packages/qiskit/__init__.py", line 67, in 
<module>
     from qiskit.execute import execute
   File "/usr/lib/python3/dist-packages/qiskit/execute.py", line 24, in 
<module>
     from qiskit.compiler import transpile, assemble
   File "/usr/lib/python3/dist-packages/qiskit/compiler/__init__.py", 
line 35, in <module>
     from .transpile import transpile
   File "/usr/lib/python3/dist-packages/qiskit/compiler/transpile.py", 
line 16, in <module>
     from qiskit.transpiler import Layout, CouplingMap
   File "/usr/lib/python3/dist-packages/qiskit/transpiler/__init__.py", 
line 76, in <module>
     from .transpile_circuit import transpile_circuit
   File 
"/usr/lib/python3/dist-packages/qiskit/transpiler/transpile_circuit.py", 
line 17, in <module>
     from qiskit.transpiler.preset_passmanagers import 
(level_0_pass_manager,
   File 
"/usr/lib/python3/dist-packages/qiskit/transpiler/preset_passmanagers/__init__.py", 
line 31, in <module>
     from .level0 import level_0_pass_manager
   File 
"/usr/lib/python3/dist-packages/qiskit/transpiler/preset_passmanagers/level0.py", 
line 23, in <module>
     from qiskit.transpiler.passes import Unroller
   File 
"/usr/lib/python3/dist-packages/qiskit/transpiler/passes/__init__.py", 
line 116, in <module>
     from .routing import BasicSwap
   File 
"/usr/lib/python3/dist-packages/qiskit/transpiler/passes/routing/__init__.py", 
line 19, in <module>
     from .stochastic_swap import StochasticSwap
   File 
"/usr/lib/python3/dist-packages/qiskit/transpiler/passes/routing/stochastic_swap.py", 
line 30, in <module>
     from .cython.stochastic_swap.utils import nlayout_from_layout
ModuleNotFoundError: No module named 
'qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'
autopkgtest [01:17:01]: test autodep8-python3

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