Upload alpha_factory/deterministic/lint.py

alpha_factory/deterministic/lint.py

@@ -28,7 +28,8 @@ OPERATOR_ARITY: dict[str, int] = {
     "group_max": 2, "group_min": 2, "group_count": 2,
     "indneutralize": 2, "market_neutralize": 2,
     "power": 2, "max": 2, "min": 2, "winsorize": 2,
-    "less": 1, "greater": 1, "equal": 1,
+    # Binary comparison operators — all take 2 args
+    "less": 2, "greater": 2, "equal": 2,
     "bucket": 2, "tail": 2, "mask": 2, "filter": 2,
     # 3-argument operators
     "ts_correlation": 3, "ts_covariance": 3,