No module named 'qiskit'

Question

import numpy as np
from qiskit import QuantumCircuit, ClassicalRegister, QuantumRegister
from qiskit import execute

When trying the above code, I am receiving the following error:

ModuleNotFoundError Traceback (most recent call last) in () 1 import numpy as np ----> 2 from qiskit import QuantumCircuit, ClassicalRegister, QuantumRegister 3 from qiskit import execute

ModuleNotFoundError: No module named 'qiskit'

score 5 · Accepted Answer · answered Feb 03 '19 at 14:12

5

You need to install it via

pip install qiskit

Refer to this for more information https://github.com/Qiskit/qiskit/blob/master/docs/install.rst

answered Feb 03 '19 at 14:12

xashru

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`$pip install qiskit` Collecting qiskit Could not find a version that satisfies the requirement qiskit (from versions: ) No matching distribution found for qiskit – arilwan Feb 03 '19 at 14:57
1

```$ pip3 install qiskit Requirement already satisfied: qiskit in /usr/local/lib/python3.7/site-packages (0.7.2) Requirement already satisfied: qiskit-terra<0.8,>=0.7 in /usr/local/lib/python3.7/site-packages (from qiskit) (0.7.0) Requirement already satisfied: qiskit-aer<0.2,>=0.1 in /usr/local/lib/python3.7/site-packag....``` – arilwan Feb 03 '19 at 15:00
also it could be installed but not activated so please make sure you run "conda activate ur_env_name" you may created with conda or whatever your vm. – Seif Mostafa May 03 '20 at 02:16

score 3 · Answer 2 · edited May 17 '20 at 22:19

3

You need Python 3:

pip3 install qiskit

Refer to this for more information: https://github.com/Qiskit/qiskit-terra/issues/1751

edited May 17 '20 at 22:19

β.εηοιτ.βε

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answered May 17 '20 at 21:51

Cristeam

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score 0 · Answer 3 · edited Feb 21 '21 at 21:10

0

You can either use the command;

pip install qiskit or

pip3 install qiskit (For Python 3.x+)

depending on the version of Python you're using.

edited Feb 21 '21 at 21:10

buddemat

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answered Feb 21 '21 at 20:03

Ryan Timothy

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No module named 'qiskit'

3 Answers3