From b6a65ce12508d30a2a31a47d7b4c46b8673d5a5c Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Tue, 11 Mar 2025 19:53:41 +0100
Subject: [PATCH] fix: pickle error due to Lock object

tb_logger get's closed after training.
So we need to re-assign the new one, otherwise pickling fails.

closes #10034
---
 freqtrade/freqai/freqai_interface.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/freqtrade/freqai/freqai_interface.py b/freqtrade/freqai/freqai_interface.py
index 7b9de5ce2..f79568774 100644
--- a/freqtrade/freqai/freqai_interface.py
+++ b/freqtrade/freqai/freqai_interface.py
@@ -763,6 +763,8 @@ class IFreqaiModel(ABC):
             init_model = None
         else:
             init_model = self.dd.model_dictionary[pair]
+            # Set "fresh" tb_logger - the one in model_dictionary has the writer closed.
+            init_model.tb_logger = self.tb_logger
 
         return init_model