When emitting a dictionary using a Signal, if the dictionary keys are integers, the dictionary received in the Slot function is empty.

from PySide6.QtWidgets import QApplication, QLabel, QVBoxLayout, QWidget
from PySide6.QtCore import QThread, Signal, Slot
from time import sleep
import random

KEY_A = 1
KEY_A = "A"
KEY_B = "B"

class EmitterThread(QThread):
    dict_signal = Signal(dict)
       
    def run(self):
        while True:
            random_dictionary =

{                 KEY_A: str(random.randint(1,10)),                 KEY_B: str(random.randint(1,10)),                                  }

            self.dict_signal.emit(random_dictionary)
            print(f"Emitted dictionary is \{random_dictionary}")
            sleep(1)

class Widget(QWidget):
    def _{_}init{_}_(self):
        super()._{_}init{_}_()

        self.label = QLabel()
        layout = QVBoxLayout()
        layout.addWidget(self.label)
        self.setLayout(layout)

        self.emitter = EmitterThread()
        self.emitter.dict_signal.connect(self.update_label)
        self.emitter.start()
       
    @Slot(dict) 
    def update_label(self, value):
        print(f"Received dictionary is \{value}")
        self.label.setText(f"\{KEY_A}: {value[KEY_A]}     \{KEY_B}: {value[KEY_B]}")

app = QApplication([])
widget = Widget()
widget.show()

app.exec()