I have used Scipy for some time. This is the first time I am using it for Signal processing! But when I import modules like
from scipy import signal from sci
I already had numpy+mkl installed, but still I faced similar error. Reinstalling has solved the issue:
pip uninstall numpy-1.13.1+mkl-cp35-cp35m-win_amd64.whl pip install numpy-1.13.1+mkl-cp35-cp35m-win_amd64.whl