diff --git a/test.py b/test.py
index 85391fa..7c3419c 100644
--- a/test.py
+++ b/test.py
@@ -3,12 +3,9 @@
 import os
 import struct
 import time
-
 import random
-
-# import serial
+import serial
 import sys
-from tkinter.tix import CELL
 
 from PyQt5.QtCore import Qt, QTimer, QThread, QObject, pyqtSignal
 from PyQt5.QtWidgets import (
@@ -338,7 +335,7 @@ class Worker(QObject):
         i = 1
         while self.continue_run:  # give the loop a stoppable condition
             data.fill_dummy_data()
-            # self.charger_communication()
+            self.charger_communication()
             # QThread.sleep(1)
 
         self.finished.emit()  # emit the finished signal when the loop is done
@@ -432,12 +429,16 @@ class Worker(QObject):
 if __name__ == "__main__":
     data = AccumulatorData()
     rx_buf = bytes()
-    # if len(sys.argv) != 2:
-    #    print(f"Usage: {sys.argv[0]} SERIAL-PORT", file=sys.stderr)
-    #    sys.exit(os.EX_USAGE)
 
-    # SERIAL_PORT = sys.argv[1]
-    # ser = serial.Serial(SERIAL_PORT, BITRATE, timeout=TIMEOUT)
+    """
+    if len(sys.argv) != 2:
+        print(f"Usage: {sys.argv[0]} SERIAL-PORT", file=sys.stderr)
+        sys.exit(os.EX_USAGE)
+
+    SERIAL_PORT = sys.argv[1]
+    print(SERIAL_PORT)
+    ser = serial.Serial(SERIAL_PORT, BITRATE, timeout=TIMEOUT)
+    """
 
     app = QApplication(sys.argv)
     gui = Window()
@@ -448,6 +449,4 @@ if __name__ == "__main__":
     timer.timeout.connect(gui.update)
     timer.start(1000)  # every 1,000 milliseconds
 
-    # update_display()
-
     sys.exit(app.exec_())