{ stdenv, buildPythonPackage, fetchPypi, }: buildPythonPackage rec { pname = "pyasn1"; version = "0.4.4"; src = fetchPypi { inherit pname version; sha256 = "f58f2a3d12fd754aa123e9fa74fb7345333000a035f3921dbdaa08597aa53137"; }; meta = with stdenv.lib; { description = "ASN.1 tools for Python"; homepage = http://pyasn1.sourceforge.net/; license = "mBSD"; platforms = platforms.unix; # arbitrary choice }; }