How to fix AttributeError: module 'scipy' has no attribute 'constants'

Problem:

While trying to run your Python project, you see an error message like

scipy_attribute_error.txt

AttributeError: module 'scipy' has no attribute 'constants'

AttributeError: module 'scipy' has no attribute 'constants'

even though have have already imported scipy:

repro_import_scipy.py

import scipy

import scipy

You need to explicitly import scipy.constants

fix_imports.py

import scipy.constants

import scipy.constants

I generally recommend to import both scipy and scipy.constants in case you use scipy itself elsewhere in your code:

recommended_imports.py

import scipy
import scipy.constants

import scipy
import scipy.constants

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