removing unusued imports
removing unusued imports

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