Can't pickle local object about monet-pytorch HOT 2 CLOSED

WARNING:root:Setting up a new session...
create web directory ./checkpoints\clevr_monet\web...
Traceback (most recent call last):
  File "train.py", line 43, in <module>
    for i, data in enumerate(dataset):  # inner loop within one epoch
  File "F:\Documents\WinPython\MONet-pytorch\data\__init__.py", line 90, in __iter__
    for i, data in enumerate(self.dataloader):
  File "C:\Users\Connor\.conda\envs\torch-env\lib\site-packages\torch\utils\data\dataloader.py", line 193, in __iter__
    return _DataLoaderIter(self)
  File "C:\Users\Connor\.conda\envs\torch-env\lib\site-packages\torch\utils\data\dataloader.py", line 469, in __init__
    w.start()
  File "C:\Users\Connor\.conda\envs\torch-env\lib\multiprocessing\process.py", line 112, in start
    self._popen = self._Popen(self)
  File "C:\Users\Connor\.conda\envs\torch-env\lib\multiprocessing\context.py", line 223, in _Popen
    return _default_context.get_context().Process._Popen(process_obj)
  File "C:\Users\Connor\.conda\envs\torch-env\lib\multiprocessing\context.py", line 322, in _Popen
    return Popen(process_obj)
  File "C:\Users\Connor\.conda\envs\torch-env\lib\multiprocessing\popen_spawn_win32.py", line 89, in __init__
    reduction.dump(process_obj, to_child)
  File "C:\Users\Connor\.conda\envs\torch-env\lib\multiprocessing\reduction.py", line 60, in dump
    ForkingPickler(file, protocol).dump(obj)
_pickle.PicklingError: Can't pickle <function <lambda> at 0x000001D62A2EA488>: attribute lookup <lambda> on data.clevr_dataset failed