Fix parameter name in tutorial code (#1242)

.gitignore

@@ -15,6 +15,7 @@ __pycache__/
 # Virtualenv
 /env
 /venv
+/.venv
 
 # Python egg metadata, regenerated from source files by setuptools.
 /*.egg-info

docs/introduction/train_agent.md

@@ -116,7 +116,7 @@ epsilon_decay = start_epsilon / (n_episodes / 2)  # reduce the exploration over
 final_epsilon = 0.1
 
 env = gym.make("Blackjack-v1", sab=False)
-env = gym.wrappers.RecordEpisodeStatistics(env, deque_size=n_episodes)
+env = gym.wrappers.RecordEpisodeStatistics(env, buffer_length=n_episodes)
 
 agent = BlackjackAgent(
     env=env,

docs/tutorials/training_agents/blackjack_tutorial.py

@@ -275,7 +275,7 @@ def decay_epsilon(self):
 #
 
 
-env = gym.wrappers.RecordEpisodeStatistics(env, deque_size=n_episodes)
+env = gym.wrappers.RecordEpisodeStatistics(env, buffer_length=n_episodes)
 for episode in tqdm(range(n_episodes)):
     obs, info = env.reset()
     done = False

pyproject.toml

@@ -46,7 +46,7 @@ toy-text = ["pygame >=2.1.3"]
 toy_text = ["pygame >=2.1.3"]  # kept for backward compatibility
 jax = ["jax >=0.4.0", "jaxlib >=0.4.0", "flax >=0.5.0"]
 torch = ["torch >=1.0.0"]
-other = ["moviepy >=1.0.0", "matplotlib >=3.0", "opencv-python >=3.0"]
+other = ["moviepy >=1.0.0", "matplotlib >=3.0", "opencv-python >=3.0", "seaborn >= 0.13"]
 all = [
     # All dependencies above except accept-rom-license
     # NOTE: No need to manually remove the duplicates, setuptools automatically does that.