anchor.diff:      phonenumbers
       pillow
       psutil
  -    py-bcrypt
       pydenticon
       pymacaroons-pynacl
       pynacl
  
positive.code:     owner = "matrix-org";
      repo = "synapse";
      rev = "v${version}";
      sha256 = "fd335cfa70b8faf53e01d5c80235d599f5f1c22111d52060e87eac5118aff4a5";
    };
  
    propagatedBuildInputs = [
      bleach
      blist
      canonicaljson
  
negative.code: }:
  
  let
    version = "0.23.1";
  in
  buildPythonPackage {
    name = "synapse-${version}";
  