{ stdenv, buildPythonPackage, fetchPypi }: buildPythonPackage rec { pname = "Cerberus"; version = "1.1"; src = fetchPypi { inherit pname version; sha256 = "a5b39090fde3ec3294c9d7030b8eda935b42222160a66a922e0c8aea34cabfdf"; }; meta = with stdenv.lib; { homepage = http://python-cerberus.org/; description = "Lightweight, extensible schema and data validation tool for Python dictionaries"; license = licenses.mit; }; }