Update

[ghstack-poisoned]
pytorch · Dec 12, 2024 · b827784 · b827784
1 parent a874ea2
commit b827784
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/torchrl/envs/common.py b/torchrl/envs/common.py
@@ -561,7 +561,7 @@ def check_env_specs(self, *args, **kwargs):
 
     check_env_specs.__doc__ = check_env_specs_func.__doc__
 
-    def cardinality(self, tensordict: TensorDictBase|None=None) -> int:
+    def cardinality(self, tensordict: TensorDictBase | None = None) -> int:
         """The cardinality of the action space.
 
         By default, this is just a wrapper around :meth:`env.action_space.cardinality <~torchrl.data.TensorSpec.cardinality>`.