--- a/python/gsm/receiver/multiarfcns_receiver.py.orig	2024-09-27 06:26:03.000000000 +0800
+++ b/python/gsm/receiver/multiarfcns_receiver.py	2026-02-16 15:40:47.365695771 +0800
@@ -10,7 +10,7 @@
 # Copyright: Deligrim
 # Description: Multi Arfcns GSM Receiver
 # GNU Radio version: 3.8.2.0
-from PyQt5 import Qt
+from PyQt6 import QtWidgets
 from gnuradio import qtgui
 import sip
 from gnuradio.filter import firdes
@@ -22,7 +22,7 @@
 import gnuradio.gsm.arfcn as arfcn
 import math
 
-class multiarfcns_receiver(gr.hier_block2, Qt.QWidget):
+class multiarfcns_receiver(gr.hier_block2, QtWidgets):
     def __init__(self, arfcns=[725,661], center_freq=935e6, osr=4, tseq=1, wide_samp_rate=2e6, gui=False):
         gr.hier_block2.__init__(
             self, "Multi Arfcns GSM Receiver",
@@ -33,9 +33,9 @@
         self.message_port_register_hier_out("out_cx")
 
 
-        Qt.QWidget.__init__(self)
-        self.top_layout = Qt.QVBoxLayout()
-        self.top_grid_layout = Qt.QGridLayout()
+        QWidget.__init__(self)
+        self.top_layout = QtWidgets.QVBoxLayout()
+        self.top_grid_layout = QtWidgets.QGridLayout()
         self.top_layout.addLayout(self.top_grid_layout)
         self.setLayout(self.top_layout)
         
@@ -114,7 +114,7 @@
 
                 qtgui_waterfall_sink_x.set_intensity_range(-90, -30)
 
-                _qtgui_waterfall_sink_x_win = sip.wrapinstance(qtgui_waterfall_sink_x.pyqwidget(), Qt.QWidget)
+                _qtgui_waterfall_sink_x_win = sip.wrapinstance(qtgui_waterfall_sink_x.pyqwidget(), QWidget)
                 self.qtgui_waterfall_sinks_x_win.append(_qtgui_waterfall_sink_x_win)
                 
                 self.top_grid_layout.addWidget(_qtgui_waterfall_sink_x_win, int(i/3), i%3, 1, 1)