1 files changed, 4 insertions, 7 deletions
diff --git a/python/trade_dataclasses.py b/python/trade_dataclasses.py
index fb27386a..68ec9d4a 100644
--- a/python/trade_dataclasses.py
+++ b/python/trade_dataclasses.py
@@ -199,14 +199,11 @@ def desc_str(index_type, series, tenor):
 
 
 def is_default_init_field(cls, attr):
-    if hasattr(cls, attr):
-        default = getattr(cls, attr)
-        if isinstance(default, Field):
-            return default.init
-        else:
+    match getattr(cls, attr, None):
+        case Field(init=False):
+            return False
+        case _:
             return True
-    else:
-        return True
 
 
 class Deal: