Test in initialization (TypeError: enabled must be a bool (got str))

[gt-madanb]

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loading weights from D:\stanford_AIMI\weights\r2plus1d_18_32_2_pretrained
cuda is not available, cpu weights
EXTERNAL_TEST ['0X1A030EFDD45062FA.avi', '0X1A05DFFFCAFB253B.avi', '0X1A09BE7969DA1508.avi', '0X1A0A263B22CCD966.avi', '0X1A193A8138F4DD0F.avi', '0X1A296F5FCD5A0ED8.avi', '0X1A2A76BDB5B98BED.avi', '0X1A2C60147AF9FDAE.avi', '0X1A2E9496910EFF5B.avi', '0X1A349D84388BD74B.avi', '0X1A36AE0874972BBE.avi', '0X1A3D565B371DC573.avi', '0X1A3E7BF1DFB132FB.avi', '0X1A481BE9AE4F2DCD.avi', '0X1A494FC3B214947B.avi', '0X1A58B506ED05C1D4.avi', '0X1A58C9DFE12C7953.avi', '0X1A5FAE3F9D37794E.avi', '0X1A62D321A1A1821B.avi', '0X1A6ACFE7B286DAFC.avi', '0X1A75CDAE16981DBC.avi', '0X1A76A1A8448B456.avi', '0X1A8D85542DBE8204.avi', '0X1A8F20B8BF0B4B45.avi', '0X1A970F020826E7FA.avi', '0X1A9D7251E9464D49.avi']
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TypeError Traceback (most recent call last)
in
39 ds.crops="all"
40 test_dataloader = torch.utils.data.DataLoader(ds, batch_size = 1, num_workers = 5, shuffle = True, pin_memory=(device.type == "cuda"))
---> 41 loss, yhat, y = echonet.utils.video.run_epoch(model, test_dataloader, "test", None, device)#, save_all=True)#, blocks=25)
42
43 with open(output, "w") as g:

~\dynamic-master\echonet\utils\video.py in run_epoch(model, dataloader, train, optim, device, save_all, block_size)
312 y = []
313
--> 314 with torch.set_grad_enabled(train):
315 with tqdm.tqdm(total=len(dataloader)) as pbar:
316 for (X, outcome) in dataloader:

~\anaconda3\lib\site-packages\torch\autograd\grad_mode.py in init(self, mode)
200 def init(self, mode: bool) -> None:
201 self.prev = torch.is_grad_enabled()
--> 202 torch._C._set_grad_enabled(mode)
203
204 def enter(self) -> None:

TypeError: enabled must be a bool (got str)