RuntimeError

[nsk126]

Facing threading issue on close of the program.

QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
qt.xkb.compose: failed to create compose table
Exception in thread Thread-2:
Traceback (most recent call last):
  File "/usr/lib/python3.9/threading.py", line 973, in _bootstrap_inner
    self.run()
  File "/home/suresh/work/pyModSlave-code-0.4.3-2/RepeatTimer.py", line 37, in run
    self.function(*self.args, **self.kwargs)
  File "/home/suresh/work/pyModSlave-code-0.4.3-2/ModFactory.py", line 159, in _blockValues
    self.coils_data_model.update_model(self.get_coils_data())
  File "/home/suresh/work/pyModSlave-code-0.4.3-2/ModSlaveMBDataModel.py", line 41, in update_model
    idx = self.model.index(row, col, QtCore.QModelIndex())
RuntimeError: wrapped C/C++ object of type QStandardItemModel has been deleted
^CException ignored in: <module 'threading' from '/usr/lib/python3.9/threading.py'>
Traceback (most recent call last):
  File "/usr/lib/python3.9/threading.py", line 1470, in _shutdown
    lock.acquire()