RuntimeError: main thread is not in main loop

[chen9run]

help! Epoch 0: 0%| | 16/38300 [00:12<8:01:53, 1.32it/s, loss=5.03, v_num=7]Exception ignored in: <function Image.del at 0x7f6a3fdf7550> Traceback (most recent call last): File "/home/shy/anaconda3/envs/loftr1/lib/python3.8/tkinter/init.py", line 4017, in del self.tk.call('image', 'delete', self.name) RuntimeError: main thread is not in main loop Epoch 0: 0%| | 38/38300 [00:23<6:37:24, 1.60it/s, loss=5.03, v_num=7]Exception ignored in: <function Variable.del at 0x7f6a3ff42c10> Traceback (most recent call last): File "/home/shy/anaconda3/envs/loftr1/lib/python3.8/tkinter/init.py", line 363, in del if self._tk.getboolean(self._tk.call("info", "exists", self._name)): RuntimeError: main thread is not in main loop