docs: def save(self):
          """Saves pypirc file with new configuration information."""
          for server, conf in self.servers.iteritems():
              self._add_index_server()
              for conf_k, conf_v in conf.iteritems():
                  if not self.conf.has_section(server):
                      self.conf.add_section(server)
                  self.conf.set(server, conf_k, conf_v)
  
          with open(self.rc_file, 'wb') as configfile:
              self.conf.write(configfile)
          self.conf.read(self.rc_file)