Added missing vispy.util.dataio
Added missing vispy.util.dataio

kkuunnddaannkk/vispy,RebeccaWPerry/vispy,sbtlaarzc/vispy,jdreaver/vispy,jay3sh/vispy,QuLogic/vispy,Eric89GXL/vispy,julienr/vispy,sbtlaarzc/vispy,drufat/vispy,kkuunnddaannkk/vispy,srinathv/vispy,Eric89GXL/vispy,QuLogic/vispy,QuLogic/vispy,RebeccaWPerry/vispy,jay3sh/vispy,sh4wn/vispy,michaelaye/vispy,sh4wn/vispy,drufat/vispy,jdreaver/vispy,inclement/vispy,ghisvail/vispy,bollu/vispy,michaelaye/vispy,dchilds7/Deysha-Star-Formation,RebeccaWPerry/vispy,ghisvail/vispy,sbtlaarzc/vispy,dchilds7/Deysha-Star-Formation,michaelaye/vispy,sh4wn/vispy,jay3sh/vispy,hronoses/vispy,julienr/vispy,inclement/vispy,jdreaver/vispy,bollu/vispy,kkuunnddaannkk/vispy,drufat/vispy,Eric89GXL/vispy,srinathv/vispy,hronoses/vispy,srinathv/vispy,inclement/vispy,hronoses/vispy,ghisvail/vispy,julienr/vispy,dchilds7/Deysha-Star-Formation,bollu/vispy