-r requirements.txt pep8==1.7.0 coverage==4.3.4 mock==1.3.0 pytest==3.0.7 pytest-pep8==1.0.6 pytest-cov==2.4.0 pytest-mock==1.5.0 cov-core==1.15.0 unittest2==1.1.0; python_version < '2.7' beautifulsoup4==4.5.3