From 40695a39d53d12968ecafaef09d0de40810ec57b Mon Sep 17 00:00:00 2001
From: Stefano Ariestasia <stefano.ariestasia@gmail.com>
Date: Tue, 12 Sep 2023 16:14:25 +0900
Subject: [PATCH] add missing var

---
 freqtrade/optimize/base_analysis.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/freqtrade/optimize/base_analysis.py b/freqtrade/optimize/base_analysis.py
index 43beaeb1e..d435aead2 100644
--- a/freqtrade/optimize/base_analysis.py
+++ b/freqtrade/optimize/base_analysis.py
@@ -36,6 +36,7 @@ class BaseAnalysis:
     def __init__(self, config: Dict[str, Any], strategy_obj: Dict):
         self.failed_bias_check = True
         self.full_varHolder = VarHolder()
+        self.exchange: Optional[Any] = None
         self._fee = None
 
         # pull variables the scope of the lookahead_analysis-instance