From 9c4980e4a685418fc2829149d6f42718e2ff7e29 Mon Sep 17 00:00:00 2001
From: Vineet Kumar <vineetkumar17112004@gmail.com>
Date: Wed, 12 Aug 2026 19:11:58 +0530
Subject: [PATCH] BUG: fix indexing in WaveletPacketND.reconstruct for
 data_size

---
 pywt/_wavelet_packets.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pywt/_wavelet_packets.py b/pywt/_wavelet_packets.py
index 57ebcb938..65fc3ac73 100644
--- a/pywt/_wavelet_packets.py
+++ b/pywt/_wavelet_packets.py
@@ -1015,7 +1015,7 @@ def reconstruct(self, update=True):
         if self.has_any_subnode:
             data = super().reconstruct(update)
             if self.data_size is not None and (data.shape != self.data_size):
-                data = data[[slice(sz) for sz in self.data_size]]
+                data = data[tuple(slice(sz) for sz in self.data_size)]
             if update:
                 self.data = data
             return data