anchor.diff:  
   buildPythonPackage rec {
     pname = "flask-admin";
  -  version = "1.5.3";
  +  version = "1.5.6";
   
     src = fetchPypi {
       pname = "Flask-Admin";
       inherit version;
  -    sha256 = "ca0be6ec11a6913b73f656c65c444ae5be416c57c75638dd3199376ce6bc7422";
  +    sha256 = "1f31vzc0p2xni5mh1wvjk9jxf4ddlx2fj4r0f3vv2n9db3c63iv8";
     };
   
     checkInputs = [
  
positive.code:     wtf-peewee
      sqlalchemy
      sqlalchemy-citext
      flask-mongoengine
      flask_sqlalchemy
      flask-babelex
      shapely
      geoalchemy2
      psycopg2
    ];
  
    propagatedBuildInputs = [
  
negative.code: , wtf-peewee
  , sqlalchemy
  , sqlalchemy-citext
  , sqlalchemy-utils
  , flask-mongoengine
  , flask_sqlalchemy
  , flask-babelex
  , shapely
  , geoalchemy2
  , psycopg2
  , arrow
  , colour
  , email_validator
  , flask
  , wtforms
  , isPy27
  