-r base.txt
django-autofixture==0.12.1
django-debug-toolbar==1.11
factory-boy==2.11.1
Faker==1.0.2
flake8-docstrings==1.3.0
flake8==3.7.7
freezegun==0.3.11
isort==4.3.15
pytest-cov==2.6.1
pytest-django==3.4.8
pytest-factoryboy==2.0.2
pytest==3.7.4

-r base.txt
django-autofixture==0.12.1
django-debug-toolbar==1.11
factory-boy==2.11.1
Faker==1.0.2
flake8-docstrings==1.3.0
flake8==3.7.7
freezegun==0.3.11
isort==4.3.15
pytest-cov==2.6.1
pytest-django==3.4.8
pytest-factoryboy==2.0.2
pytest==4.3.0

Update pytest from 3.7.4 to 4.3.0
Update pytest from 3.7.4 to 4.3.0