Traceback (most recent call last):
  File "D:/Python/Practice/file_path_test01.py", line 10, in <module>
    open(path1, 'wb')
FileNotFoundError: [Errno 2] No such file or directory: './output/experiment_UNet_ResFourLayerConvBlock_ResTwoLayerConvBlock_None_fold-1_coarse_size-160_channel-8_depth-4_loss-dice_metric-dice_time-2021-11-20_16-14-52\\logs\\train\\events.out.tfevents.1637396155.DESKTOP-AHH47H9123456789012345678901234567890'

Reason 1: the parent folder of the file to be created does not exist. The open function will recreate the file when it does not exist, but cannot create the nonexistent folder.

Reason 2: the character length of file name + absolute path of file exceeds the limit of the operating system. Windows system has restrictions