def append_system_paths(self):
from rez.shells import Shell, create_shell<EOL>sh = self.interpreter if isinstance(self.interpreter, Shell)else create_shell()<EOL>paths = sh.get_syspaths()<EOL>paths_str = os.pathsep.join(paths)<EOL>self.env.PATH.append(paths_str)<EOL>
Append system paths to $PATH.