anchor.diff:    checkInputs = [ mock pytest coverage tox ];
     propagatedBuildInputs = [ urwid tweepy future ];
   
  +  patches = [
  +    (fetchpatch {
  +      url = "https://github.com/louipc/turses/commit/be0961b51f502d49fd9e2e5253ac130e543a31c7.patch";
  +      sha256 = "17s1n0275mcj03vkf3n39dmc09niwv4y7ssrfk7k3vqx22kppzg3";
  +    })
  +  ];
  +
     checkPhase = ''
       TMP_TURSES=`echo turses-$RANDOM`
       mkdir $TMP_TURSES
  
positive.code:     rm -rf $TMP_TURSES
    '';
  
    patchPhase = ''
      sed -i -e 's|urwid==1.3.0|urwid==${getVersion urwid}|' setup.py
      sed -i -e "s|future==0.14.3|future==${getVersion future}|" setup.py
      sed -i -e "s|tweepy==3.3.0|tweepy==${getVersion tweepy}|" setup.py
  
negative.code: { stdenv, fetchpatch, python36Packages }:
  
  with stdenv.lib;
  
  