code: def check_seed_deprecation(env: gym.Env):
      """Makes sure support for deprecated function `seed` is dropped.
  
      Args:
          env: The environment to check
      Raises:
          UserWarning
      """
      seed_fn = getattr(env, "seed", None)
      if callable(seed_fn):
          logger.warn(
              "Official support for the `seed` function is dropped. "
              "Standard practice is to reset gym environments using `env.reset(seed=<desired seed>)`"
          )
  
file_path: gym/gym/utils/env_checker.py
imports: import inspect
  from copy import deepcopy
  import numpy
  import gym
  from gym import logger, spaces
  from gym.utils.passive_env_checker import check_action_space, check_observation_space, env_render_passive_checker, env_reset_passive_checker, env_step_passive_checker
label_desc: Use image node_id 5 for calling a global function with example usage: check_seed_deprecation(env) without return types