-r requirements.txt django-nose==1.4.6 ddt coveralls mock pep8 git+https://github.com/edx/django-pyfs.git@2.0#egg=django-pyfs==2.0 git+https://github.com/edx/edx-lint.git@1.4.0#egg=edx_lint==1.4.0 -e git+https://github.com/edx/xblock-sdk.git#egg=xblock-sdk