code: def __get_rc_handle(self, root_dir):
          
          rc_path = os.path.join(root_dir, '.rc')
          env_path = os.path.join(root_dir, '.env')
          fh = open(rc_path, "w+")
          # .rc will always source .env
          fh.write(source_template % (env_path, env_path))
          return (rc_path, fh)
docs: get the filepath and filehandle to the rc file for the environment