Error module 'chaospy' has no attribute '__version__'

[moja84]

The call quantify(seed=10, CPUs=None, filename=save_path) causes the error
File "/usr/local/lib/python3.7/site-packages/uncertainpy-1.2.1-py3.7.egg/uncertainpy/uncertainty.py", line 430, in quantify
File "/usr/local/lib/python3.7/site-packages/uncertainpy-1.2.1-py3.7.egg/uncertainpy/uncertainty.py", line 712, in polynomial_chaos
File "/usr/local/lib/python3.7/site-packages/uncertainpy-1.2.1-py3.7.egg/uncertainpy/core/uncertainty_calculations.py", line 1340, in polynomial_chaos
File "/usr/local/lib/python3.7/site-packages/uncertainpy-1.2.1-py3.7.egg/uncertainpy/core/uncertainty_calculations.py", line 253, in dependent
AttributeError: module 'chaospy' has no attribute 'version'

OS is Fedora 31