add scipy

README.md

@@ -17,6 +17,7 @@ The direction(s) and the surface values are stored in HDF5 (`.h5`) files.
 - [numpy 1.15.1](https://docs.scipy.org/doc/numpy/user/quickstart.html)  
 - [h5py 2.8.0](http://docs.h5py.org/en/stable/build.html#install)
 - [matplotlib 2.0.2](https://matplotlib.org/users/installing.html)
+- [scipy 0.19](https://www.scipy.org/install.html)
 
 **Pre-trained models**:
 The code accepts pre-trained PyTorch models for CIFAR-10 dataset.