natestemen
commented
1 year ago I believe CI failed due to the fact that a test failed (see here), not because of the PendingDeprecationWarning. The test that's failing is being tracked in https://github.com/unitaryfund/mitiq/issues/1509.
As you can see in this build (https://github.com/unitaryfund/mitiq/actions/runs/3512731403/jobs/5892663542#step:5:3633) the warnings exist, but CI still passes.
This particular PendingDeprecationWarning cannot be fixed at the moment. Rather it seems to be a warning that a future qiskit version will have a DeprecationWarning which I believe will fail our CI. I'll close this for now, but feel free to reopen if you think something needs addressed that's not tracked elsewhere.
Issue Description
Currently, the CI is failing on master with macos with py 3.9, seemingly due to qiskit aer deprecation
See the environment details below for the full error message. Not clear why this pops up only in py3.9 mac-os, but we've been informed of this issue happening also locally for notebooks in the research repo.
How to Reproduce
See https://github.com/unitaryfund/mitiq/actions/runs/3512731403/jobs/5884750195
Expected behavior
Environment Context
```python =================================== FAILURES =================================== ______________________ mitiq/zne/tests/test_inference.py _______________________ [gw2] darwin -- Python 3.9.14 /Users/runner/hostedtoolcache/Python/3.9.14/x64/bin/python worker 'gw2' crashed while running 'mitiq/zne/tests/test_inference.py::test_plot_data[LinearFactory]' =============================== warnings summary =============================== mitiq/interface/mitiq_qiskit/tests/test_qiskit_utils.py::test_execute /Users/runner/work/mitiq/mitiq/mitiq/interface/mitiq_qiskit/qiskit_utils.py:124: PendingDeprecationWarning: The qiskit.Aer entry point will be deprecated in a future release and subsequently removed. Instead you should use this directly from the root of the qiskit-aer package. backend=qiskit.Aer.get_backend("aer_simulator_density_matrix"), mitiq/interface/mitiq_qiskit/tests/test_qiskit_utils.py::test_sample_bitstrings_with_backend mitiq/interface/mitiq_qiskit/tests/test_qiskit_utils.py::test_compute_expectation_value_on_noisy_backend_with_qiskit_backend /Users/runner/hostedtoolcache/Python/3.9.14/x64/lib/python3.9/site-packages/qiskit/providers/fake_provider/fake_backend.py:462: PendingDeprecationWarning: "warnings" argument will be deprecated as part of the qiskit-aer 0.12.0 and subsequently removed noise_model = NoiseModel.from_backend(self, warnings=False) mitiq/zne/tests/test_zne.py::test_qiskit_measurement_order_is_preserved_single_register[order2] /Users/runner/work/mitiq/mitiq/mitiq/zne/tests/test_zne.py:292: PendingDeprecationWarning: The qiskit.Aer entry point will be deprecated in a future release and subsequently removed. Instead you should use this directly from the root of the qiskit-aer package. circuit, qiskit.Aer.get_backend("aer_simulator"), shots=100 mitiq/zne/tests/test_zne.py::test_qiskit_run_factory_with_number_of_shots /Users/runner/work/mitiq/mitiq/mitiq/interface/mitiq_qiskit/qiskit_utils.py:176: PendingDeprecationWarning: The qiskit.Aer entry point will be deprecated in a future release and subsequently removed. Instead you should use this directly from the root of the qiskit-aer package. backend=qiskit.Aer.get_backend("aer_simulator"), ```