Ship the PEP 561 marker with the typed package

great_ai/py.typed

@@ -0,0 +1 @@
+

great_ai/utilities/evaluate_ranking/evaluate_ranking.py

@@ -1,5 +1,5 @@
 from pathlib import Path
-from typing import Dict, List, Optional, TypeVar, cast
+from typing import Dict, Optional, Sequence, TypeVar, cast
 
 import matplotlib
 import matplotlib.pyplot as plt
@@ -14,8 +14,8 @@ T = TypeVar("T", str, float)
 
 
 def evaluate_ranking(
-    expected: List[T],
-    actual_scores: List[float],
+    expected: Sequence[T],
+    actual_scores: Sequence[float],
     target_recall: float,
     title: Optional[str] = "",
     disable_interpolation: bool = False,

tests/test_prediction_regressions.py

@@ -99,7 +99,7 @@ def test_flattening_preserves_reserved_trace_fields() -> None:
 
 
 def test_mongo_update_uses_valid_replacement() -> None:
-    trace = Trace(
+    trace: Trace = Trace(
         trace_id="id",
         created="2026-01-01",
         original_execution_time_ms=0,