search wheel first, see https://github.com/mapbox/rasterio/commit/059ad3e01c0da363c99cd1f2ca6c4e3353c1485c#diff-bcec099fb5186938da74b5bfc04c1476 (#898)
search wheel first, see https://github.com/mapbox/rasterio/commit/059ad3e01c0da363c99cd1f2ca6c4e3353c1485c#diff-bcec099fb5186938da74b5bfc04c1476 (#898)


Toblerity/Fiona,Toblerity/Fiona