enable constructor arguments to be non-optional (#489)

casact · Jan 22, 2024 · 93678af · 93678af
1 parent 392467c
commit 93678af
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/chainladder/core/triangle.py b/chainladder/core/triangle.py
@@ -798,7 +798,7 @@ def broadcast_axis(self, axis, value):
         return self
 
     def copy(self):
-        X = Triangle()
+        X = object.__new__(self.__class__)
         X.__dict__.update(vars(self))
         X._set_slicers()
         X.values = X.values.copy()