course/handout: set overwrite to true when it should do so -- #4490
course/handout: set overwrite to true when it should do so -- #4490

sagemathinc/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc,tscholl2/smc,sagemathinc/smc,tscholl2/smc