From 852706cd6b3fcebdc57988fde5b589c8b263f92c Mon Sep 17 00:00:00 2001
From: Robert Caulk <rob.caulk@gmail.com>
Date: Tue, 21 Jun 2022 08:12:51 +0200
Subject: [PATCH] Fix default behavior for expiration_hours

---
 freqtrade/freqai/data_kitchen.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/freqtrade/freqai/data_kitchen.py b/freqtrade/freqai/data_kitchen.py
index 3c87a40bc..fb6e49342 100644
--- a/freqtrade/freqai/data_kitchen.py
+++ b/freqtrade/freqai/data_kitchen.py
@@ -737,7 +737,10 @@ class FreqaiDataKitchen:
         time = datetime.datetime.now(tz=datetime.timezone.utc).timestamp()
         elapsed_time = (time - trained_timestamp) / 3600  # hours
         max_time = self.freqai_config.get('expiration_hours', 0)
-        return elapsed_time > max_time
+        if max_time > 0:
+            return elapsed_time > max_time
+        else: 
+            return False
 
     def check_if_new_training_required(self, trained_timestamp: int) -> Tuple[bool,
                                                                               TimeRange, TimeRange]: