correct import and tag

Author: MatthewMiddlehurst

aeon/anomaly_detection/whole_series/_outlier_detection.py

@@ -1,6 +1,7 @@
 """Basic outlier detection classifier."""
 
-from aeon.anomaly_detection import IsolationForest
+from sklearn.ensemble import IsolationForest
+
 from aeon.anomaly_detection.whole_series.base import BaseCollectionAnomalyDetector
 from aeon.base._base import _clone_estimator
 
@@ -32,4 +33,4 @@ def _predict(self, X):
 
     @classmethod
     def _get_test_params(cls, parameter_set="default"):
-        return {"estimator": IsolationForest()}
+        return {"estimator": IsolationForest(n_estimators=3)}

aeon/utils/tags/_tags.py

@@ -138,7 +138,12 @@ class : identifier for the base class of objects this tag applies to
         "point belongs to.",
     },
     "requires_y": {
-        "class": ["transformer", "anomaly-detector", "segmenter", "similarity-search"],
+        "class": [
+            "transformer",
+            "anomaly-detector",
+            "collection_anomaly_detector",
+            "segmenter",
+        ],
         "type": "bool",
         "description": "Does this estimator require y to be passed in its methods?",
     },