Freeze base class so it is hashable

christopher-wild · christopher-wild · commit fc10813b0ac4 · 2022-11-29T14:11:20.000Z
diff --git a/causal_testing/testing/base_causal_test.py b/causal_testing/testing/base_causal_test.py
@@ -2,7 +2,7 @@
 from causal_testing.specification.variable import Variable
 
 
-@dataclass
+@dataclass(frozen=True)
 class BaseCausalTest:
     """
     A base causal test case represents the relationship of an edge on a causal DAG.
