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From dc208e8c91a772ea3da462efd16d912cef44316c Mon Sep 17 00:00:00 2001
From: Clayton Smith <argilo@gmail.com>
Date: Fri, 30 Aug 2024 11:19:19 -0400
Subject: [PATCH] digital: Fix NumPy 2 compatibility

Signed-off-by: Clayton Smith <argilo@gmail.com>
---
 gr-digital/python/digital/qa_correlate_access_code_XX_ts.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gr-digital/python/digital/qa_correlate_access_code_XX_ts.py b/gr-digital/python/digital/qa_correlate_access_code_XX_ts.py
index c0fdc9dc246..8c242f2f792 100644
--- a/gr-digital/python/digital/qa_correlate_access_code_XX_ts.py
+++ b/gr-digital/python/digital/qa_correlate_access_code_XX_ts.py
@@ -12,6 +12,7 @@
 from gnuradio import gr, gr_unittest, digital, blocks
 import pmt
 import numpy
+import struct
 
 default_access_code = '\xAC\xDD\xA4\xE2\xF2\x8C\x20\xFC'
 
@@ -74,8 +75,9 @@ def _variable_payload_t(self, payload_len=2**15 + 3):
         # header contains packet length, twice (bit-swapped)
         header = numpy.array([(payload_len & 0xFF00) >> 8, payload_len & 0xFF] * 2, dtype=numpy.uint8)
         # make sure we've built the length header correctly
-        self.assertEqual(header[0] * 256 + header[1], header[2] * 256 + header[3])
-        self.assertEqual(header[0] * 256 + header[1], len(payload))
+        length1, length2 = struct.unpack(">HH", header)
+        self.assertEqual(length1, length2)
+        self.assertEqual(length1, len(payload))
 
         packet = numpy.concatenate((header, payload))
         pad = (0,) * PADDING_LEN