anchor.diff:      rm -rf $TMP_TURSES
     '';
   
  -  patchPhase = ''
  +  postPatch = ''
       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
  
positive.code:   checkInputs = [ mock pytest coverage tox ];
    propagatedBuildInputs = [ urwid tweepy future ];
  
    checkPhase = ''
      TMP_TURSES=`echo turses-$RANDOM`
      mkdir $TMP_TURSES
  
negative.code: { stdenv, fetchpatch, python36Packages }:
  
  with stdenv.lib;
  
  