-r base.txt
flake8==2.6.2
flake8_docstrings==1.0.3
django-debug-toolbar==1.5
freezegun==0.3.7
isort==4.2.5
pytest-django==2.9.1
pytest-cov==2.2.1
pytest-factoryboy==1.1.6
fake-factory==0.6.0
transifex-client==0.12.2

-r base.txt
flake8==3.3.0
flake8_docstrings==1.0.3
django-debug-toolbar==1.5
freezegun==0.3.7
isort==4.2.5
pytest-django==2.9.1
pytest-cov==2.2.1
pytest-factoryboy==1.1.6
fake-factory==0.6.0
transifex-client==0.12.2

Update flake8 from 2.6.2 to 3.3.0
Update flake8 from 2.6.2 to 3.3.0