Fix PEP8 error (E501)
Fix PEP8 error (E501)

Eric89GXL/vispy,ghisvail/vispy,michaelaye/vispy,drufat/vispy,Eric89GXL/vispy,drufat/vispy,ghisvail/vispy,Eric89GXL/vispy,michaelaye/vispy,ghisvail/vispy,michaelaye/vispy,drufat/vispy