ModuleNotFoundError (Python)

In short: Python cannot find the imported module.

In more detail: The interpreter searches in sys.path.

In Depth

Possible causes

• Package not installed.
• Wrong virtual environment.
• Typo or file name equal to the module name.

Solutions

1. pip install packagename in the right environment.
2. Use python -m pip to make sure the same interpreter is used.
3. Do not name your own file like the module.

See also: Library