From 611f154b1a5ee7a9b1886dc67375357d8a95097f Mon Sep 17 00:00:00 2001
From: Dimitri Papadopoulos
 <3234522+DimitriPapadopoulos@users.noreply.github.com>
Date: Wed, 7 Dec 2022 10:36:02 +0100
Subject: [PATCH] Avoid mutable default values with @dataclass

---
 mapvbvd/twix_map_obj.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mapvbvd/twix_map_obj.py b/mapvbvd/twix_map_obj.py
index b40f58f..5175114 100644
--- a/mapvbvd/twix_map_obj.py
+++ b/mapvbvd/twix_map_obj.py
@@ -1,7 +1,7 @@
 import copy
 import logging
 import time
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 
 import numpy as np
 from scipy.interpolate import RectBivariateSpline
@@ -199,8 +199,8 @@ class FRI:
             szScanHeader: int  # bytes
             szChannelHeader: int  # bytes
             iceParamSz: int
-            sz: np.array = np.zeros(2)
-            shape: np.array = np.zeros(2)
+            sz: np.array = field(default_factory=lambda: np.zeros(2))
+            shape: np.array = field(default_factory=lambda: np.zeros(2))
             cut: np.array = None
 
         if self.softwareVersion == 'vb':