Aer not getting imported.

[satyardn]

Informations

• Qiskit Aer version: 0.13.3
• Python version: 3.10.12
• Operating system: Google Colab

What is the current behavior?

I am currently practicing the codes using Google Colab. It was working perfect till 13th of February and now it's throwing error even if I have installed the Aer package separately. Installed Qiskit and Aer as well but when importing Aer, it throws below error:

ImportError: cannot import name 'Aer' from 'qiskit' (/usr/local/lib/python3.10/dist-packages/qiskit/init.py)

Steps to reproduce the problem

Open Google Colab
Install below libraries:
!pip install qiskit
!pip install qiskit-aer

Then import Aer:
from qiskit import Aer

What is the expected behavior?

This should run without any error.

Suggested solutions

None

[jakelishman]

Thank you for the report. This is expected behaviour of Qiskit 1.0 and noted in its release notes and deprecated in Qiskit 0.46 (our suggested upgrade path is to first upgrade to Qiskit 0.46, see the warnings that appear there so they can be fixed before finalising the upgrade to Qiskit 1.0).

The drop-in replacement for qiskit.Aer is qiskit_aer.Aer.

[jakelishman]

I'll close this issue as "won't fix" now (because it's expected), but if you have other problems using Aer with Qiskit 1.0, please feel free to open more reports.