anchor.diff:  , bokeh
   , buildPythonPackage
   , click
  -, configparser
   , docker_pycreds
   , fetchFromGitHub
   , flask
  
positive.code:     setproctitle
      setuptools
      shortuuid
      yaspin
    ];
  
    disabledTestPaths = [
      # Tests that try to get chatty over sockets or spin up servers, not possible in the nix build environment.
  
negative.code: , pytest-mock
  , pytest-xdist
  , pytestCheckHook
  , python-dateutil
  , pyyaml
  , requests
  