Correcting paths in rec system tutorial

Summary: Correcting paths to open source version.

Reviewed By: Yonathae

Differential Revision: D56471234

fbshipit-source-id: 506f9058ae408c8aeea23d6f2ad38a9031af703d

tutorials/single_item_recommender_system_example/single_item_recommender_system.ipynb

@@ -281,8 +281,8 @@
         "device_id = 0 if torch.cuda.is_available() else -1\n",
         "\n",
         "model = SequenceClassificationModel(100).to(device)\n",
-        "model.load_state_dict(torch.load(\"/data/sandcastle/boxes/fbsource/fbcode/pearl/tutorials/single_item_recommender_system_example/env_model_state_dict.pt\"))\n",
-        "actions = torch.load(\"/data/sandcastle/boxes/fbsource/fbcode/pearl/tutorials/single_item_recommender_system_example/news_embedding_small.pt\")\n",
+        "model.load_state_dict(torch.load(\"Pearl/tutorials/single_item_recommender_system_example/env_model_state_dict.pt\"))\n",
+        "actions = torch.load(\"Pearl/tutorials/single_item_recommender_system_example/news_embedding_small.pt\")\n",
         "history_length = 8\n",
         "env = RecEnv(list(actions.values())[:100], model, history_length)\n",
         "observation, action_space = env.reset()\n",