MantidPlot crashind when plotting with the below script

Python Script Generated by Mslice on 2019-04-02 11:00:21

import mslice.cli as mc
import mslice.plotting.pyplot as plt

DytBuOCl_Ei90_00meV_5K = mc.Load(Filename=’/home/ecz46986/RB1910185/SPE/Dy(tBuO)Cl_Ei90.00meV_5K.nxspe’, OutputWorkspace=‘Dy(tBuO)Cl_Ei90.00meV_5K’)
YtBuOCl_Ei90_00meV_5K = mc.Load(Filename=’/home/ecz46986/RB1910185/SPE/Y(tBuO)Cl_Ei90.00meV_5K.nxspe’, OutputWorkspace=‘Y(tBuO)Cl_Ei90.00meV_5K’)
scaled_bg_ws = mc.Scale(InputWorkspace=YtBuOCl_Ei90_00meV_5K, OutputWorkspace=‘scaled_bg_ws’, Factor=‘1.1’)
ws_DytBuOCl_Ei90_00meV_5K_subtracted = mc.Minus(LHSWorkspace=DytBuOCl_Ei90_00meV_5K, RHSWorkspace=scaled_bg_ws, OutputWorkspace=‘Dy(tBuO)Cl_Ei90.00meV_5K_subtracted’)

fig = plt.gcf()
ax = fig.add_subplot(111, projection=“mslice”)
slice_ws = mc.Slice(ws_DytBuOCl_Ei90_00meV_5K_subtracted, Axis1="|Q|,0.28338,13.67972,0.1", Axis2=“DeltaE,-45.0,81.0,0.45”, NormToOne=False)

mesh = ax.pcolormesh(slice_ws, cmap=“jet”)
mesh.set_clim(0,100)
cb = plt.colorbar(mesh, ax=ax)
cb.set_label(‘Intensity (arb. units)’, labelpad=20, rotation=270, picker=5)
ax.set_title(‘Dy(tBuO)Cl_Ei90.00meV_5K_subtracted’)
mc.Show()

An issue has been created for this. Thank you.