-pyaspects-URL1 := http://build.planet-lab.org/third-party/pyaspects-0.4.1.tar.gz
-pyaspects-URL2 := http://mirror.onelab.eu/third-party/pyaspects-0.4.1.tar.gz
+pyaspects-URL1 := http://mirror.onelab.eu/third-party/pyaspects-0.4.1.tar.gz
+pyaspects-URL2 := http://build.planet-lab.org/third-party/pyaspects-0.4.1.tar.gz