Movielens responsible AI

Signed-off-by: miguelgfierro <[email protected]>

tests/responsible_ai/recommenders/datasets/test_movielens_privacy.py

@@ -0,0 +1,14 @@
+# Copyright (c) Recommenders contributors.
+# Licensed under the MIT License.
+
+
+from recommenders.datasets import movielens
+
+
+def test_movielens_privacy():
+    """Check that there are no privacy concerns. In Movielens, we check that all the
+    userID are numbers.
+    """
+    df = movielens.load_pandas_df(size="100k")
+    users = df["userID"].values.tolist()
+    assert all(isinstance(x, int) for x in users)