diff --git a/lib_run_single.py b/lib_run_single.py
index eb91c72..91a0163 100644
--- a/lib_run_single.py
+++ b/lib_run_single.py
@@ -32,8 +32,6 @@ def run_single_example(agent, env, example, max_steps, instruction, args, exampl
             action_timestamp = datetime.datetime.now().strftime("%Y%m%d@%H%M%S")
             logger.info("Step %d: %s", step_idx + 1, action)
             obs, reward, done, info = env.step(action, args.sleep_after_execution)
-            time.sleep(3)
-            obs = env._get_obs()
 
             logger.info("Reward: %.2f", reward)
             logger.info("Done: %s", done)
diff --git a/requirements.txt b/requirements.txt
index 924fffe..0a32219 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,3 +63,4 @@ docker
 loguru
 dotenv
 tldextract
+anthropic