working mqtt connection

main.py

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+import datetime
+from time import sleep, time
+
+from multiprocessing import Process, Queue
+import source.vqe as vqe
+import source.mqtt as mqtt
+
+if __name__ == "__main__":
+    
+
+    broker_address = "mqtt.deowl.ru" # Example public broker
+    broker_port = 1883
+    mqttBroker = mqtt.vqeMqttBroker(broker_address, broker_port, max_connection_attempts=5)
+    print(mqttBroker.get_status())
+    mqttBroker.connect_to_server()
+
+    while True:
+        print(mqttBroker.get_status())
+        sleep(1)
+
+    # GLOBAL SYSTEM PARAMETERS
+    active_electrons=2
+    active_orbitals=2
+    max_iterations = 500
+    conv_tol = 1e-04
+    step_size = 0.05
+
+    q = Queue()
+    p = Process(target=vqe.run_vqe, args=(q, symbols, coordinates, active_electrons, active_orbitals, max_iterations, conv_tol, step_size))
+    p.start()
+    while p.is_alive():
+        try:
+            print(q.get_nowait(), datetime.datetime.now())
+        except Exception as e:
+            print("no_data_to_get", e)
+        sleep(0.1)
+    
+    client.loop_stop() # Stop the background loop thread if used
+    client.disconnect()