./mongoengine-0.8.4-bcbe740.tar.gz already exists, skipping download
Getting https://github.com/MongoEngine/mongoengine/archive/bcbe740598747c97d1911ecad8c2865887363df8/mongoengine-0.8.4-bcbe740.tar.gz to ./mongoengine-0.8.4-bcbe740.tar.gz