{ stdenv, buildPythonPackage, persistent, zope_interface, transaction }: buildPythonPackage rec { pname = "BTrees"; version = "4.3.1"; name = "${pname}-${version}"; propagatedBuildInputs = [ persistent zope_interface transaction ]; src = fetchPypi { inherit pname version; sha256 = "15as34f9sa4nnd62nnjkik2jd4rg1byp0i4kwaqwdpv0ab9vfr95"; }; meta = with stdenv.lib; { description = "Scalable persistent components"; homepage = http://packages.python.org/BTrees; license = licenses.zpt21; }; }