fix float64 error in visuals.image.set_data
fix float64 error in visuals.image.set_data

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