df, err = ek.get_data("AUDQM3AB5Y=",
[ 'TR.MIDPRICE.date',{'TR.MIDPRICE.value':{'params':{'SDate': '20171228','CALCMETHOD': 'CLOSE'}}},{'TR.MIDPRICE.value':{'params':{'SDate': '20180110','CALCMETHOD': 'CLOSE'}}},{'TR.MIDPRICE.value'{'params'{'SDate': '1D','CALCMETHOD': 'CLOSE'}}},]) Where is my mistake?