{stdenv, python27Packages, contextlib2}: python27Packages.buildPythonPackage rec {
  pname = "raven";
  version = "6.1.0";
  format = "setuptools";

  src = python27Packages.fetchPypi {
    inherit pname version;
    extension = "tar.gz";
    hash = "sha256-Asq/+xc7mdhgqV1JCOixhkqtG4RSFG4T/X4hKqV2qIQ=";
  };

  propagatedBuildInputs = [python27Packages.setuptools contextlib2];
}