anchor.diff:  , unidecode
   }:
   
  -buildPythonPackage rec {
  +let
  +  # Support for Python 2.7 was dropped in 1.7.7
  +  google_api_python_client_python27 = google_api_python_client.overrideDerivation
  +    (oldAttrs: rec {
  +      pname = "google-api-python-client";
  +      version = "1.7.6";
  +      src = fetchPypi {
  +        inherit pname version;
  +        sha256 = "14w5sdrp0bk9n0r2lmpqmrbf2zclpfq6q7giyahnskkfzdkb165z";
  +      };
  +    });
  +in buildPythonPackage rec {
     pname = "weboob";
     version = "1.3";
     disabled = ! isPy27;
  
positive.code: { buildPythonPackage, fetchurl, stdenv, isPy27
  , nose, pillow, prettytable, pyyaml, dateutil, gdata
  , requests, mechanize, feedparser, lxml, gnupg, pyqt5
  , libyaml, simplejson, cssselect, futures, pdfminer
  
negative.code: 
    propagatedBuildInputs = [ pillow prettytable pyyaml dateutil
      gdata requests mechanize feedparser lxml gnupg pyqt5 libyaml
      simplejson cssselect futures pdfminer termcolor
      google_api_python_client_python27 html2text unidecode ];
  
    checkPhase = ''
      nosetests
  