-r requirements.txt
pytest==2.8.2
pep8==1.5.7
nose==1.3.4
mock==1.0.1
requests-mock==0.6.0
lxml==3.4.4
cssselect==0.9.1
watchdog==0.8.3
coverage==3.7.1
pytest-cov==2.2.0
python-coveralls==2.5.0

-r requirements.txt
pytest==2.8.2
pep8==1.5.7
nose==1.3.4
mock==1.0.1
requests-mock==0.6.0
lxml==3.4.4
cssselect==0.9.1
watchdog==0.8.3
coverage==3.7.1
pytest-cov==2.2.0
python-coveralls==2.5.0
freezegun==0.3.7

Add freezegun requirement for tests
Add freezegun requirement for tests
