anchor.diff:      pytestCheckHook
       pytestcov
       pytest-mock
  -    pytest-testmon
       requests
       requests-toolbelt
       requests-unixsocket
  
positive.code: , pytestCheckHook
  , pytestcov
  , pytest-mock
  , pytest-testmon
  , requests
  , requests-toolbelt
  , requests-unixsocket
  
negative.code:   # Deselect test_bind_addr_unix on darwin because times out
    # Deselect test_http_over_https_error on darwin because builtin cert fails
    # Disable warnings-as-errors because of deprecation warnings from socks on python 3.7
    # Disable pytest-testmon because it doesn't work
    # adds many other pytest utilities which aren't necessary like linting
    preCheck = ''
      rm pytest.ini
  