more whitespace and line-length fixes for flake8
more whitespace and line-length fixes for flake8

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