From 474c598758f2ed599734eca33f62ea3a40438832 Mon Sep 17 00:00:00 2001
From: Kevin Klein <7267523+kklein@users.noreply.github.com>
Date: Thu, 25 Jul 2024 12:23:55 +0200
Subject: [PATCH] Update metalearners/metalearner.py
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Co-authored-by: Francesc Martí Escofet <154450563+FrancescMartiEscofetQC@users.noreply.github.com>
---
 metalearners/metalearner.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/metalearners/metalearner.py b/metalearners/metalearner.py
index d9a7d63..13d9311 100644
--- a/metalearners/metalearner.py
+++ b/metalearners/metalearner.py
@@ -1158,7 +1158,7 @@ def init_args(self) -> dict[str, Any]:
                 else None
             ),
             "fitted_nuisance_models": {
-                k: v
+                k: deepcopy(v)
                 for k, v in self._nuisance_models.items()
                 if k in self._prefitted_nuisance_models and k != PROPENSITY_MODEL
             },