error in package Shearlab

`import julia
import Shearlab
#reload("Shearlab")
n = 512;

#data = rand(n,n);

#sizeX = size(data,1);
#sizeY = size(data,2);

# Set the variables for the Shearlet trasform
#rows = sizeX;
#cols = sizeY;
#X = data;
#nScales = 2;

#shearletSystem = Shearlab.SLgetShearletSystem2D(rows,cols,nScales);

#coeffs = Shearlab.SLsheardec2D(X,shearletSystem);

mat_fname_gt = pjoin('./sample_data/', 'barbara.jpg')
data_nopar = Shearlab.load_image(name, n);
data_par = Shearlab.load_image(name, n,n,1);
data_nopar = data_nopar[:,:,1];
data_par = data_par[:,:,1]
Shearlab.imageplot(data_nopar);`
ModuleNotFoundError: No module named 'Shearlab'
yet i installet julia