[Solved] After installing PyTest, you run pytest but get:ModuleNotFoundError: No module named 'pytest'What is the most likely reason? | PyTest

PyTest - Basics and Setup

After installing PyTest, you run pytest but get:

ModuleNotFoundError: No module named 'pytest'

What is the most likely reason?

APyTest was installed for a different Python version than the one running pytest

BPyTest installation was successful and no error should occur

CYou need to uninstall PyTest before running it

DThe pytest command is misspelled

Step-by-Step Solution

Solution:

Step 1: Understand the error meaning
The error means Python cannot find the PyTest module when running tests.
Step 2: Identify common cause
This often happens if PyTest was installed for a different Python version than the one used to run pytest.
Final Answer:
PyTest was installed for a different Python version than the one running pytest -> Option A
Quick Check:
ModuleNotFoundError = version mismatch or missing module [OK]

Quick Trick: Match Python version used for install and run [OK]

Common Mistakes:

MISTAKES

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