pythonPackages.pudb: fix with update
pythonPackages.pycurl2: fix with disabling tests
Merge pull request #1007 from offlinehacker/pythonPackages/fixes

Python packages/fixes
pytest: fix broken config check
Merge pull request #1008 from lovek323/pytest

pytest: fix broken config check
Merge branch 'master' of https://github.com/NixOS/nixpkgs into dev