-r requirements.txt

mock==1.0.1
responses
pytest
pytest-cov
pytest-sugar
pytest-catchlog

-r requirements.txt

mock==1.0.1
responses
pytest~=3.4.0
pytest-cov
pytest-sugar

Remove pytest-caplog from requirements and update the required pytest version. pytest-caplog is now part of pytest core.
Remove pytest-caplog from requirements and update the required pytest
version. pytest-caplog is now part of pytest core.
