From 0e9bbf408defc69925e10456d3bdcb3aa811a753 Mon Sep 17 00:00:00 2001
From: chMoussa <charles.moussa@pasqal.com>
Date: Thu, 29 Aug 2024 14:22:28 +0200
Subject: [PATCH] [BugFix] Avoid reduce with empty operations  (#270)

---
 pyqtorch/composite/sequence.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pyqtorch/composite/sequence.py b/pyqtorch/composite/sequence.py
index 02bda51e..8e2c0233 100644
--- a/pyqtorch/composite/sequence.py
+++ b/pyqtorch/composite/sequence.py
@@ -94,7 +94,11 @@ def __len__(self) -> int:
         return len(self.operations)
 
     def __hash__(self) -> int:
-        return hash(reduce(add, (hash(op) for op in self.operations)))
+        return hash(
+            reduce(add, (hash(op) for op in self.operations))
+            if len(self.operations) > 0
+            else self.operations
+        )
 
     def forward(
         self,