raster_data = r'D:ArcGIS_Pro_ProjectsOptimity_AlfOptimity_Viewsheds.gdbAccelerator_Viewshed_AGL_raster'
aprx = arcpy.mp.ArcGISProject(r'D:ArcGIS_Pro_ProjectsOptimity_AlfOptimity_Alf.aprx')
map = aprx.listMaps('Optimity Map')[0]
map.addDataFromPath(raster_data)

aprx.save()
del aprx

aprx.save()
del aprx