We made this function not sure if it helps
def displayer(numpy_mask):
data_matrix = numpy_mask
opacity = [0, 0, 0, 4, 8, 0, 0]
data = pv.wrap(data_matrix)
pv.set_plot_theme("night")
#print(type(data)) #pyvista.core.grid.UniformGrid'
#print(dir(data)) #x = pickle.dumps(data) #print(x)
#print(BytesIO(data))
return data