code: async def reset_user_password(self, username):
          
          user_facade = client.UserManagerFacade.from_connection(
              self.connection())
          entity = client.Entity(tag.user(username))
          results = await user_facade.ResetPassword([entity])
          secret_key = results.results[0].secret_key
          return await self.get_user(username, secret_key=secret_key)
docs: Reset user password.
  
          :param str username: Username
          :returns: A :class:`~juju.user.User` instance