[pytest]
addopts = --cov=mypackage -vvv -s

(ENV) $ python -m pytest
=================================================== test session starts ====================================================
platform darwin -- Python 2.7.15, pytest-4.4.1, py-1.8.0, pluggy-0.9.0 -- /Users/local/myrepo_new/ENV/bin/python
cachedir: .pytest_cache
rootdir: /Users/local/myrepo_new, inifile: pytest.ini
plugins: cov-2.6.1
collected 1 item                                                                                                           

test/test_myrepo.py::test_x PASSED
WARNING: Coverage disabled via --no-cov switch!

===================================================== warnings summary =====================================================
ENV/lib/python2.7/site-packages/pytest_cov/plugin.py:253
  /Users/local/myrepo_new/ENV/lib/python2.7/site-packages/pytest_cov/plugin.py:253: PytestWarning: Coverage disabled via --no-cov switch!
    warnings.warn(pytest.PytestWarning(message))

-- Docs: https://docs.pytest.org/en/latest/warnings.html
=========================================== 1 passed, 1 warnings in 0.03 seconds ===========================================

(ENV)$ pip list
DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.
Package        Version
-------------- -------
atomicwrites   1.3.0  
attrs          19.1.0 
coverage       4.5.3  
funcsigs       1.0.2  
more-itertools 5.0.0  
pathlib2       2.3.3  
pip            19.1   
pluggy         0.9.0  
py             1.8.0  
pytest         4.4.1  
pytest-cov     2.6.1  
scandir        1.10.0 
setuptools     41.0.1 
six            1.12.0 
wheel          0.33.1 

(ENV) $ pytest --version
This is pytest version 4.4.1, imported from /Users/local/myrepo_new/ENV/lib/python2.7/site-packages/pytest.pyc
setuptools registered plugins:
  pytest-cov-2.6.1 at /Users/local/myrepo_new/ENV/lib/python2.7/site-packages/pytest_cov/plugin.py
(ENV)$ plutil -p /System/Library/CoreServices/SystemVersion.plist
{
  "iOSSupportVersion" => "12.0"
  "ProductBuildVersion" => "18D25"
  "ProductCopyright" => "1983-2018 Apple Inc."
  "ProductName" => "Mac OS X"
  "ProductUserVisibleVersion" => "10.14.3"
  "ProductVersion" => "10.14.3"
}