tiny fix

sim/simulator.py

@@ -273,7 +273,7 @@ class GenieSimulator(LearnedSimulator):
             start_time = time.time()
         pred_next_latent_state = self.backbone.maskgit_generate(
             input_latent_states,
-            out_t=input_latent_states.shape[1] - 1,,
+            out_t=input_latent_states.shape[1] - 1,
             maskgit_steps=self.inference_iterations,
             temperature=self.sampling_temperature,
             action_ids=input_actions,