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I'm a newcomer to qiskit, when I tried to import qiskit, it followed a ModuleNotFoundError: No module named 'qiskit._accelerate'. I've tried creating a new virtual environment and re-install qiskit, but the same error popped out.

ModuleNotFoundError: No module named 'qiskit._accelerate' Using "pip list" to check if qiskit is downloaded.

Also here comes another error after commenting out the "qiskit._accelerate" in "init" : ModuleNotFoundError: No module named 'retworkx.retworkx'

It seems that there are some missing modules, but how can I figure it out? Can someone give me a hand please?

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  • $\begingroup$ did you try to reinstall qiskit, it should solve the problem, it also happened to me before with tox -elint to pr branch, but not effect too much. $\endgroup$
    – poig
    Commented Jun 27, 2022 at 8:58
  • $\begingroup$ yes I've tried it! $\endgroup$
    – hola haha
    Commented Jun 27, 2022 at 9:00

2 Answers 2

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current solution you can try:

  • pip install spyder-kernels if using pip/virtualenv
  • pip3 install qiskit or pip install qiskit
  • make sure "conda activate ur_env_name"

related wiki: https://github.com/spyder-ide/spyder/wiki/Working-with-packages-and-environments-in-Spyder

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  • $\begingroup$ It doesn't work, thanks for your effort tho. $\endgroup$
    – hola haha
    Commented Jun 27, 2022 at 9:42
  • $\begingroup$ @holahaha can you open a new conda env, and install required packages like pip install qiskit and pip install spyder-kernels and see if it works. $\endgroup$
    – poig
    Commented Jun 27, 2022 at 9:45
  • $\begingroup$ I've tried it, but still doesn't work. $\endgroup$
    – hola haha
    Commented Jun 27, 2022 at 9:46
  • $\begingroup$ @holahaha did you tried reinstall spyder $\endgroup$
    – poig
    Commented Jun 27, 2022 at 9:47
  • $\begingroup$ because I search related issue on spyder github, it got 253 same cases with import problem, I tried myself, I solve it with pip install spyder-kernel $\endgroup$
    – poig
    Commented Jun 27, 2022 at 9:49
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The problems have been solved.

The problems lie in the version of python, the version I used in the aforementioned case was 3.9.12, whereas it works as I create a new env with python 3.8.13 or 3.8.8.

It's probably related to compatibility.

@poig Thanks for your help, btw.

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