fix error in .travs.yml
fix error in .travs.yml

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